{"id":1143,"date":"2026-04-10T07:39:31","date_gmt":"2026-04-10T07:39:31","guid":{"rendered":"https:\/\/hxcnc.com\/?page_id=1143"},"modified":"2026-05-26T08:20:23","modified_gmt":"2026-05-26T08:20:23","slug":"precision-spindle","status":"publish","type":"page","link":"https:\/\/hxcnc.com\/zh\/product\/precision-spindle\/","title":{"rendered":"\u5ba2\u88fd\u5316\u7cbe\u5bc6\u4e3b\u8ef8"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1143\" class=\"elementor elementor-1143\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-aabbccdd elementor-section-stretched elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"aabbccdd\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container 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20px}}\n@media(max-width:480px){.hxc-hbtns,.hxc-ctabs,.hxc-hero2-btns{flex-direction:column;align-items:stretch}.hxc-btn{justify-content:center;width:100%}.hxc-hero2-stats{grid-template-columns:1fr 1fr}.hxc-hero2-chips{grid-template-columns:1fr}}\n<\/style>\n\n<div class=\"hxc-wrap\">\n  <section class=\"hxc-hero2\">\n    <div class=\"hxc-hero2-stripe\"><\/div>\n    <div class=\"hxc-inner\">\n      <div class=\"hxc-hero2-grid\">\n        <div class=\"hxc-hero2-L\">\n          <div class=\"hxc-hero2-flag\">\n            <div class=\"hxc-hero2-badge\">Flagship \u00b7 IT3 Class<\/div>\n            <div class=\"hxc-hero2-badge hxc-hero2-badge-amb\">IT3 OD \u00b7 0.001 Roundness \u00b7 Ra 0.1 \u00b7 TIR 0.002<\/div>\n            <div class=\"hxc-hero2-id\">PS \/ 001 \u2014 008<\/div>\n          <\/div>\n          <h1 class=\"hxc-hero2-h1\">Tightest Class HXC Offers<br><em>Precision Spindles<\/em><\/h1>\n          <p class=\"hxc-hero2-sub\">Flagship CNC ground precision spindles for machine tool, grinding machine, and high-speed motorised spindle applications. OD tolerance IT3, roundness \u2264 0.001 mm, surface finish Ra 0.1 \u00b5m, spindle nose to bearing journal runout \u2264 0.002 mm TIR \u2014 every parameter measured and reported on every spindle.<\/p>\n          <div class=\"hxc-hero2-stats\">\n            <div class=\"hxc-hero2-stat\"><div class=\"hxc-hero2-stat-v\">IT3<\/div><div class=\"hxc-hero2-stat-l\">OD Tolerance<\/div><\/div>\n            <div class=\"hxc-hero2-stat\"><div class=\"hxc-hero2-stat-v\">\u22640.001<sup>mm<\/sup><\/div><div class=\"hxc-hero2-stat-l\">Roundness<\/div><\/div>\n            <div class=\"hxc-hero2-stat\"><div class=\"hxc-hero2-stat-v\">Ra 0.1<sup>\u00b5m<\/sup><\/div><div class=\"hxc-hero2-stat-l\">Surface Finish<\/div><\/div>\n          <\/div>\n          <div class=\"hxc-hero2-btns\">\n            <a href=\"#hxc-cta\" class=\"hxc-btn hxc-p\">Get Instant Quote <span class=\"hxc-ar\">\u2192<\/span><\/a>\n            <a href=\"#hxc-gal\" class=\"hxc-btn hxc-o\">View Our Work<\/a>\n          <\/div>\n        <\/div>\n        <div class=\"hxc-hero2-R\">\n          <div class=\"hxc-hero2-board\">\n            <div class=\"hxc-hero2-ribbon\">\n              <span><span class=\"dot\"><\/span>PART DWG \u00b7 PS-000 PRECISION SPINDLE \u00b7 42CrMo4 IH \u00b7 BT40 IT3<\/span>\n              <span>ISO 9001 \u00b7 IT3 LAPPED \u00b7 CMM + ROUNDNESS REPORT<\/span>\n            <\/div>\n            <div class=\"hxc-hero2-pin hxc-hero2-pin-a hxc-hero2-pin-1\">IT3 \u00b7 \u22640.001 Round<\/div>\n            <div class=\"hxc-hero2-pin hxc-hero2-pin-2\">Front DB Pair<\/div>\n            <div class=\"hxc-hero2-scene\">\n              <svg viewBox=\"0 0 480 360\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-label=\"Precision spindle technical drawing \u2014 flagship machine tool spindle in side elevation. Front face shows BT40 7:24 taper bore as V-cut crimson recess for tool holder mounting. Front bearing pair (back-to-back angular contact, matched set, DB arrangement) shown with both bearing journals highlighted in crimson and bearing icons. Single rear bearing also highlighted. Drawbar pull-stud end at right. GD&amp;T frames: roundness \u2264 0.001 mm and runout TIR 0.002 to datum A. Four corners: OD tolerance class table IT3 to IT7+, spindle nose taper types (BT40 \/ HSK 63A \/ HSK 100 \/ ISO 50 \/ CAT 50), four bearing arrangements end-view icons, material vs HRC table.\">\n                <defs>\n                  <linearGradient id=\"psSteel\" x1=\"0\" y1=\"0\" x2=\"0\" y2=\"1\"><stop offset=\"0\" stop-color=\"#94A3B8\"\/><stop offset=\"1\" stop-color=\"#475569\"\/><\/linearGradient>\n                  <radialGradient id=\"psGlow\" cx=\"50%\" cy=\"50%\" r=\"50%\"><stop offset=\"0\" stop-color=\"rgba(220,38,38,.6)\"\/><stop offset=\"1\" stop-color=\"transparent\"\/><\/radialGradient>\n                <\/defs>\n                <g transform=\"translate(160,194)\">\n                  <ellipse cx=\"0\" cy=\"0\" rx=\"148\" ry=\"32\" fill=\"url(#psGlow)\" opacity=\".55\"\/>\n                  <text x=\"-145\" y=\"-72\" font-family=\"Roboto Condensed,sans-serif\" font-size=\"9\" font-weight=\"700\" fill=\"#DC2626\">PRECISION SPINDLE \u00b7 MACHINE TOOL \u00b7 IT3 \u00b7 Ra 0.1 \u00b5m<\/text>\n                  <text x=\"-145\" y=\"-62\" font-family=\"Roboto Mono,monospace\" font-size=\"5\" fill=\"rgba(220,38,38,.7)\">42CrMo4 IH HRC 58 \u00b7 BT40 7:24 \u00b7 DB FRONT BRG PAIR \u00b7 MATCHED<\/text>\n\n                  <!-- Roundness GD&T (flagship spec) -->\n                  <g transform=\"translate(-110,-50)\">\n                    <rect x=\"0\" y=\"0\" width=\"48\" height=\"10\" fill=\"none\" stroke=\"#FCD34D\" stroke-width=\".5\"\/>\n                    <line x1=\"14\" y1=\"0\" x2=\"14\" y2=\"10\" stroke=\"#FCD34D\" stroke-width=\".5\"\/>\n                    <!-- roundness symbol: circle within circle -->\n                    <circle cx=\"7\" cy=\"5\" r=\"3\" fill=\"none\" stroke=\"#FCD34D\" stroke-width=\".5\"\/>\n                    <text x=\"30\" y=\"7\" font-family=\"Roboto Mono,monospace\" font-size=\"6\" fill=\"#FCD34D\" text-anchor=\"middle\" font-weight=\"700\">0.001<\/text>\n                  <\/g>\n                  <line x1=\"-86\" y1=\"-40\" x2=\"-72\" y2=\"-18\" stroke=\"#FCD34D\" stroke-width=\".4\" stroke-dasharray=\"2 2\"\/>\n                  <text x=\"-50\" y=\"-44\" font-family=\"Roboto Mono,monospace\" font-size=\"4\" fill=\"rgba(252,211,77,.7)\">roundness<\/text>\n\n                  <!-- Runout TIR GD&T -->\n                  <g transform=\"translate(20,-50)\">\n                    <rect x=\"0\" y=\"0\" width=\"64\" height=\"10\" fill=\"none\" stroke=\"#FCD34D\" stroke-width=\".5\"\/>\n                    <line x1=\"14\" y1=\"0\" x2=\"14\" y2=\"10\" stroke=\"#FCD34D\" stroke-width=\".5\"\/>\n                    <path d=\"M 4,8 L 10,2 M 8,2 L 10,2 L 10,4\" stroke=\"#FCD34D\" stroke-width=\".55\" fill=\"none\"\/>\n                    <text x=\"38\" y=\"7\" font-family=\"Roboto Mono,monospace\" font-size=\"6\" fill=\"#FCD34D\" text-anchor=\"middle\" font-weight=\"700\">0.002 A<\/text>\n                  <\/g>\n                  <line x1=\"52\" y1=\"-40\" x2=\"40\" y2=\"-14\" stroke=\"#FCD34D\" stroke-width=\".4\" stroke-dasharray=\"2 2\"\/>\n                  <text x=\"92\" y=\"-42\" font-family=\"Roboto Mono,monospace\" font-size=\"4\" fill=\"rgba(252,211,77,.7)\">TIR spindle nose<\/text>\n\n                  <!-- Per-zone tags -->\n                  <text x=\"-85\" y=\"-22\" font-family=\"Roboto Mono,monospace\" font-size=\"4.5\" fill=\"#DC2626\" text-anchor=\"middle\" font-weight=\"700\">\u00d830 IT3<\/text>\n                  <text x=\"-85\" y=\"-17\" font-family=\"Roboto Mono,monospace\" font-size=\"3.5\" fill=\"rgba(220,38,38,.65)\" text-anchor=\"middle\">FRONT BRG #1<\/text>\n                  <text x=\"-55\" y=\"-22\" font-family=\"Roboto Mono,monospace\" font-size=\"4.5\" fill=\"#DC2626\" text-anchor=\"middle\" font-weight=\"700\">\u00d830 IT3<\/text>\n                  <text x=\"-55\" y=\"-17\" font-family=\"Roboto Mono,monospace\" font-size=\"3.5\" fill=\"rgba(220,38,38,.65)\" text-anchor=\"middle\">FRONT BRG #2<\/text>\n                  <text x=\"70\" y=\"-22\" font-family=\"Roboto Mono,monospace\" font-size=\"4.5\" fill=\"#DC2626\" text-anchor=\"middle\" font-weight=\"700\">\u00d828 IT4<\/text>\n                  <text x=\"70\" y=\"-17\" font-family=\"Roboto Mono,monospace\" font-size=\"3.5\" fill=\"rgba(220,38,38,.65)\" text-anchor=\"middle\">REAR BRG<\/text>\n\n                  <!-- DB pair indicator above front bearings -->\n                  <g transform=\"translate(-70,-32)\">\n                    <path d=\"M -20,0 L 0,0 L 0,-4\" fill=\"none\" stroke=\"#DC2626\" stroke-width=\".5\"\/>\n                    <path d=\"M 20,0 L 0,0\" fill=\"none\" stroke=\"#DC2626\" stroke-width=\".5\"\/>\n                    <text x=\"0\" y=\"-6\" font-family=\"Roboto Mono,monospace\" font-size=\"3.8\" fill=\"#DC2626\" text-anchor=\"middle\" font-weight=\"700\">DB \u00b7 MATCHED PAIR<\/text>\n                  <\/g>\n\n                  <!-- Shaft profile (precision machine tool spindle) -->\n                  <path d=\"M -145,-18 L -125,-18 L -125,-14 L -100,-14 L -100,-15 L -40,-15 L -40,-12 L 50,-12 L 50,-14 L 90,-14 L 90,-11 L 130,-11 L 130,-8 L 145,-8 L 145,8 L 130,8 L 130,11 L 90,11 L 90,14 L 50,14 L 50,12 L -40,12 L -40,15 L -100,15 L -100,14 L -125,14 L -125,18 L -145,18 Z\" fill=\"url(#psSteel)\" stroke=\"#1E293B\" stroke-width=\".8\"\/>\n\n                  <!-- BT40 taper bore (V-cut into front face) -->\n                  <path d=\"M -145,-12 L -115,-3.5 L -115,3.5 L -145,12 Z\" fill=\"rgba(15,23,42,.75)\" stroke=\"#DC2626\" stroke-width=\".7\"\/>\n                  <text x=\"-128\" y=\"-14\" font-family=\"Roboto Mono,monospace\" font-size=\"3.8\" fill=\"#DC2626\" text-anchor=\"middle\" font-weight=\"700\">BT40 \u00b7 7:24<\/text>\n                  <text x=\"-128\" y=\"0\" font-family=\"Roboto Mono,monospace\" font-size=\"3.2\" fill=\"rgba(220,38,38,.85)\" text-anchor=\"middle\" font-weight=\"700\">IT3<\/text>\n\n                  <!-- FRONT BRG #1 highlight + bearing icon -->\n                  <line x1=\"-100\" y1=\"-15\" x2=\"-70\" y2=\"-15\" stroke=\"#DC2626\" stroke-width=\"2\"\/>\n                  <line x1=\"-100\" y1=\"15\" x2=\"-70\" y2=\"15\" stroke=\"#DC2626\" stroke-width=\"2\"\/>\n                  <g transform=\"translate(-85,0)\">\n                    <circle cx=\"0\" cy=\"0\" r=\"3.4\" fill=\"none\" stroke=\"#DC2626\" stroke-width=\".4\"\/>\n                    <circle cx=\"-2.7\" cy=\"0\" r=\".8\" fill=\"#DC2626\"\/><circle cx=\"2.7\" cy=\"0\" r=\".8\" fill=\"#DC2626\"\/>\n                    <circle cx=\"0\" cy=\"-2.7\" r=\".8\" fill=\"#DC2626\"\/><circle cx=\"0\" cy=\"2.7\" r=\".8\" fill=\"#DC2626\"\/>\n                  <\/g>\n\n                  <!-- FRONT BRG #2 highlight + bearing icon (DB matched pair) -->\n                  <line x1=\"-70\" y1=\"-15\" x2=\"-40\" y2=\"-15\" stroke=\"#DC2626\" stroke-width=\"2\"\/>\n                  <line x1=\"-70\" y1=\"15\" x2=\"-40\" y2=\"15\" stroke=\"#DC2626\" stroke-width=\"2\"\/>\n                  <g transform=\"translate(-55,0)\">\n                    <circle cx=\"0\" cy=\"0\" r=\"3.4\" fill=\"none\" stroke=\"#DC2626\" stroke-width=\".4\"\/>\n                    <circle cx=\"-2.7\" cy=\"0\" r=\".8\" fill=\"#DC2626\"\/><circle cx=\"2.7\" cy=\"0\" r=\".8\" fill=\"#DC2626\"\/>\n                    <circle cx=\"0\" cy=\"-2.7\" r=\".8\" fill=\"#DC2626\"\/><circle cx=\"0\" cy=\"2.7\" r=\".8\" fill=\"#DC2626\"\/>\n                  <\/g>\n\n                  <!-- REAR BRG highlight + bearing icon -->\n                  <line x1=\"50\" y1=\"-14\" x2=\"90\" y2=\"-14\" stroke=\"#DC2626\" stroke-width=\"2\"\/>\n                  <line x1=\"50\" y1=\"14\" x2=\"90\" y2=\"14\" stroke=\"#DC2626\" stroke-width=\"2\"\/>\n                  <g transform=\"translate(70,0)\">\n                    <circle cx=\"0\" cy=\"0\" r=\"3\" fill=\"none\" stroke=\"#DC2626\" stroke-width=\".4\"\/>\n                    <circle cx=\"-2.4\" cy=\"0\" r=\".7\" fill=\"#DC2626\"\/><circle cx=\"2.4\" cy=\"0\" r=\".7\" fill=\"#DC2626\"\/>\n                    <circle cx=\"0\" cy=\"-2.4\" r=\".7\" fill=\"#DC2626\"\/><circle cx=\"0\" cy=\"2.4\" r=\".7\" fill=\"#DC2626\"\/>\n                  <\/g>\n\n                  <!-- Drawbar \/ pull-stud end indicator (right end) -->\n                  <line x1=\"130\" y1=\"-8\" x2=\"145\" y2=\"-8\" stroke=\"#DC2626\" stroke-width=\"1.2\" stroke-dasharray=\"2 1\"\/>\n                  <line x1=\"130\" y1=\"8\" x2=\"145\" y2=\"8\" stroke=\"#DC2626\" stroke-width=\"1.2\" stroke-dasharray=\"2 1\"\/>\n                  <text x=\"148\" y=\"-2\" font-family=\"Roboto Mono,monospace\" font-size=\"3.8\" fill=\"#DC2626\" font-weight=\"700\">DRAWBAR<\/text>\n                  <text x=\"148\" y=\"5\" font-family=\"Roboto Mono,monospace\" font-size=\"3.2\" fill=\"rgba(220,38,38,.7)\">M16 pull<\/text>\n\n                  <!-- Centre axis -->\n                  <line x1=\"-155\" y1=\"0\" x2=\"158\" y2=\"0\" stroke=\"rgba(220,38,38,.5)\" stroke-width=\".3\" stroke-dasharray=\"6 2 1 2\"\/>\n\n                  <!-- Length dim at bottom -->\n                  <line x1=\"-145\" y1=\"30\" x2=\"145\" y2=\"30\" stroke=\"#DC2626\" stroke-width=\".5\"\/>\n                  <line x1=\"-145\" y1=\"32\" x2=\"-145\" y2=\"20\" stroke=\"#DC2626\" stroke-width=\".4\" stroke-dasharray=\"2 1\"\/>\n                  <line x1=\"145\" y1=\"32\" x2=\"145\" y2=\"20\" stroke=\"#DC2626\" stroke-width=\".4\" stroke-dasharray=\"2 1\"\/>\n                  <path d=\"M -145,30 l 4,-2 l 0,4 z\" fill=\"#DC2626\"\/><path d=\"M 145,30 l -4,-2 l 0,4 z\" fill=\"#DC2626\"\/>\n                  <text x=\"0\" y=\"40\" font-family=\"Roboto Mono,monospace\" font-size=\"6.5\" fill=\"#DC2626\" text-anchor=\"middle\" font-weight=\"700\">L = 380 mm \u00b7 LAPPED + HONED \u00b7 FULL CMM<\/text>\n                <\/g>\n\n                <!-- TOP-LEFT: OD tolerance class -->\n                <g transform=\"translate(20,30)\">\n                  <rect x=\"0\" y=\"0\" width=\"172\" height=\"84\" fill=\"rgba(15,23,42,.4)\" stroke=\"#475569\" stroke-width=\"1\" stroke-dasharray=\"4 3\" rx=\"6\"\/>\n                  <text x=\"10\" y=\"14\" font-family=\"Roboto Mono,monospace\" font-size=\"8\" fill=\"rgba(255,255,255,.55)\" letter-spacing=\"1\">OD \u00b7 TOLERANCE<\/text>\n                  <line x1=\"10\" y1=\"22\" x2=\"162\" y2=\"22\" stroke=\"rgba(255,255,255,.2)\" stroke-width=\".5\"\/>\n                  <text x=\"14\" y=\"30\" font-family=\"Roboto Mono,monospace\" font-size=\"5.5\" fill=\"rgba(255,255,255,.55)\">ISO<\/text>\n                  <text x=\"92\" y=\"30\" font-family=\"Roboto Mono,monospace\" font-size=\"5.5\" fill=\"rgba(255,255,255,.55)\">TIR (mm)<\/text>\n                  <text x=\"158\" y=\"30\" font-family=\"Roboto Mono,monospace\" font-size=\"5.5\" fill=\"rgba(255,255,255,.55)\" text-anchor=\"end\">USE<\/text>\n                  <g font-family=\"Roboto Mono,monospace\" font-size=\"6\">\n                    <rect x=\"10\" y=\"34\" width=\"152\" height=\"11\" fill=\"rgba(220,38,38,.18)\" rx=\"2\"\/>\n                    <text x=\"14\" y=\"42\" fill=\"#DC2626\" font-weight=\"700\">IT3 \u25c0<\/text><text x=\"92\" y=\"42\" fill=\"#DC2626\" font-weight=\"700\">\u2264 0.001<\/text><text x=\"158\" y=\"42\" fill=\"#DC2626\" font-weight=\"700\" text-anchor=\"end\">spindle nose<\/text>\n                    <text x=\"14\" y=\"54\" fill=\"#fff\">IT4<\/text><text x=\"92\" y=\"54\" fill=\"rgba(255,255,255,.75)\">\u2264 0.002<\/text><text x=\"158\" y=\"54\" fill=\"rgba(255,255,255,.65)\" text-anchor=\"end\">brg seat<\/text>\n                    <text x=\"14\" y=\"64\" fill=\"#fff\">IT5<\/text><text x=\"92\" y=\"64\" fill=\"rgba(255,255,255,.75)\">\u2264 0.003<\/text><text x=\"158\" y=\"64\" fill=\"rgba(255,255,255,.65)\" text-anchor=\"end\">gen precision<\/text>\n                    <text x=\"14\" y=\"74\" fill=\"#FCD34D\">IT6 \/ IT7+<\/text><text x=\"92\" y=\"74\" fill=\"rgba(252,211,77,.85)\">\u2265 0.005<\/text><text x=\"158\" y=\"74\" fill=\"rgba(252,211,77,.7)\" text-anchor=\"end\">shaft \/ struct<\/text>\n                  <\/g>\n                <\/g>\n\n                <!-- TOP-RIGHT: spindle nose taper types -->\n                <g transform=\"translate(290,30)\">\n                  <rect x=\"0\" y=\"0\" width=\"180\" height=\"84\" fill=\"rgba(15,23,42,.4)\" stroke=\"#475569\" stroke-width=\"1\" stroke-dasharray=\"4 3\" rx=\"6\"\/>\n                  <text x=\"10\" y=\"14\" font-family=\"Roboto Mono,monospace\" font-size=\"8\" fill=\"rgba(255,255,255,.55)\" letter-spacing=\"1\">SPINDLE NOSE \u00b7 TAPER<\/text>\n                  <line x1=\"10\" y1=\"22\" x2=\"170\" y2=\"22\" stroke=\"rgba(255,255,255,.2)\" stroke-width=\".5\"\/>\n                  <text x=\"14\" y=\"30\" font-family=\"Roboto Mono,monospace\" font-size=\"5.5\" fill=\"rgba(255,255,255,.55)\">TYPE<\/text>\n                  <text x=\"86\" y=\"30\" font-family=\"Roboto Mono,monospace\" font-size=\"5.5\" fill=\"rgba(255,255,255,.55)\">CONTACT<\/text>\n                  <text x=\"166\" y=\"30\" font-family=\"Roboto Mono,monospace\" font-size=\"5.5\" fill=\"rgba(255,255,255,.55)\" text-anchor=\"end\">USE<\/text>\n                  <g font-family=\"Roboto Mono,monospace\" font-size=\"6\">\n                    <rect x=\"10\" y=\"34\" width=\"160\" height=\"11\" fill=\"rgba(220,38,38,.18)\" rx=\"2\"\/>\n                    <text x=\"14\" y=\"42\" fill=\"#DC2626\" font-weight=\"700\">BT40 \u25c0<\/text><text x=\"86\" y=\"42\" fill=\"#DC2626\" font-weight=\"700\">7:24 face<\/text><text x=\"166\" y=\"42\" fill=\"#DC2626\" font-weight=\"700\" text-anchor=\"end\">std MC<\/text>\n                    <text x=\"14\" y=\"54\" fill=\"#fff\">HSK 63A<\/text><text x=\"86\" y=\"54\" fill=\"rgba(255,255,255,.75)\">face+taper<\/text><text x=\"166\" y=\"54\" fill=\"rgba(255,255,255,.65)\" text-anchor=\"end\">hi-speed<\/text>\n                    <text x=\"14\" y=\"64\" fill=\"#fff\">HSK 100A<\/text><text x=\"86\" y=\"64\" fill=\"rgba(255,255,255,.75)\">hollow<\/text><text x=\"166\" y=\"64\" fill=\"rgba(255,255,255,.65)\" text-anchor=\"end\">heavy MC<\/text>\n                    <text x=\"14\" y=\"74\" fill=\"#FCD34D\">ISO 50 \/ CAT 50<\/text><text x=\"86\" y=\"74\" fill=\"rgba(252,211,77,.85)\">7:24<\/text><text x=\"166\" y=\"74\" fill=\"rgba(252,211,77,.7)\" text-anchor=\"end\">large MC<\/text>\n                  <\/g>\n                <\/g>\n\n                <!-- BOTTOM-LEFT: 4 bearing arrangements end-view -->\n                <g transform=\"translate(20,232)\">\n                  <rect x=\"0\" y=\"0\" width=\"172\" height=\"108\" fill=\"rgba(15,23,42,.4)\" stroke=\"#475569\" stroke-width=\"1\" stroke-dasharray=\"4 3\" rx=\"6\"\/>\n                  <text x=\"10\" y=\"14\" font-family=\"Roboto Mono,monospace\" font-size=\"8\" fill=\"rgba(255,255,255,.55)\" letter-spacing=\"1\">BEARING \u00b7 ARRANGEMENT<\/text>\n                  <!-- DB back-to-back (default) -->\n                  <g transform=\"translate(28,48)\">\n                    <circle cx=\"0\" cy=\"0\" r=\"11\" fill=\"rgba(220,38,38,.18)\" stroke=\"#DC2626\" stroke-width=\".6\"\/>\n                    <circle cx=\"0\" cy=\"0\" r=\"4.5\" fill=\"rgba(15,23,42,.6)\" stroke=\"#DC2626\" stroke-width=\".4\"\/>\n                    <!-- DB arrows pointing apart -->\n                    <path d=\"M -3,-7 L -7,-3\" stroke=\"#DC2626\" stroke-width=\".7\"\/>\n                    <path d=\"M 3,-7 L 7,-3\" stroke=\"#DC2626\" stroke-width=\".7\"\/>\n                    <path d=\"M -3,7 L -7,3\" stroke=\"#DC2626\" stroke-width=\".7\"\/>\n                    <path d=\"M 3,7 L 7,3\" stroke=\"#DC2626\" stroke-width=\".7\"\/>\n                    <text x=\"0\" y=\"22\" font-family=\"Roboto Mono,monospace\" font-size=\"4.5\" fill=\"#DC2626\" text-anchor=\"middle\" font-weight=\"700\">DB AC \u25c0<\/text>\n                    <text x=\"0\" y=\"28\" font-family=\"Roboto Mono,monospace\" font-size=\"3.5\" fill=\"rgba(220,38,38,.65)\" text-anchor=\"middle\">back-to-back<\/text>\n                  <\/g>\n                  <!-- DF face-to-face -->\n                  <g transform=\"translate(64,48)\">\n                    <circle cx=\"0\" cy=\"0\" r=\"11\" fill=\"rgba(220,38,38,.18)\" stroke=\"#DC2626\" stroke-width=\".6\"\/>\n                    <circle cx=\"0\" cy=\"0\" r=\"4.5\" fill=\"rgba(15,23,42,.6)\" stroke=\"#DC2626\" stroke-width=\".4\"\/>\n                    <!-- DF arrows pointing toward -->\n                    <path d=\"M -7,-7 L -3,-3\" stroke=\"#DC2626\" stroke-width=\".7\"\/>\n                    <path d=\"M 7,-7 L 3,-3\" stroke=\"#DC2626\" stroke-width=\".7\"\/>\n                    <path d=\"M -7,7 L -3,3\" stroke=\"#DC2626\" stroke-width=\".7\"\/>\n                    <path d=\"M 7,7 L 3,3\" stroke=\"#DC2626\" stroke-width=\".7\"\/>\n                    <text x=\"0\" y=\"22\" font-family=\"Roboto Mono,monospace\" font-size=\"4.5\" fill=\"#DC2626\" text-anchor=\"middle\" font-weight=\"700\">DF AC<\/text>\n                    <text x=\"0\" y=\"28\" font-family=\"Roboto Mono,monospace\" font-size=\"3.5\" fill=\"rgba(220,38,38,.65)\" text-anchor=\"middle\">face-to-face<\/text>\n                  <\/g>\n                  <!-- Cylindrical roller (radial only) -->\n                  <g transform=\"translate(102,48)\">\n                    <circle cx=\"0\" cy=\"0\" r=\"11\" fill=\"rgba(220,38,38,.18)\" stroke=\"#DC2626\" stroke-width=\".6\"\/>\n                    <circle cx=\"0\" cy=\"0\" r=\"4\" fill=\"rgba(15,23,42,.6)\" stroke=\"#DC2626\" stroke-width=\".4\"\/>\n                    <g fill=\"rgba(220,38,38,.4)\" stroke=\"#DC2626\" stroke-width=\".3\">\n                      <rect x=\"-1\" y=\"-9\" width=\"2\" height=\"3\"\/><rect x=\"-1\" y=\"6\" width=\"2\" height=\"3\"\/>\n                      <rect x=\"5.6\" y=\"-1\" width=\"3\" height=\"2\"\/><rect x=\"-8.6\" y=\"-1\" width=\"3\" height=\"2\"\/>\n                    <\/g>\n                    <text x=\"0\" y=\"22\" font-family=\"Roboto Mono,monospace\" font-size=\"4.5\" fill=\"#DC2626\" text-anchor=\"middle\" font-weight=\"700\">CYL ROLLER<\/text>\n                    <text x=\"0\" y=\"28\" font-family=\"Roboto Mono,monospace\" font-size=\"3.5\" fill=\"rgba(220,38,38,.65)\" text-anchor=\"middle\">radial only<\/text>\n                  <\/g>\n                  <!-- Taper roller pair -->\n                  <g transform=\"translate(140,48)\">\n                    <circle cx=\"0\" cy=\"0\" r=\"11\" fill=\"rgba(220,38,38,.18)\" stroke=\"#DC2626\" stroke-width=\".6\"\/>\n                    <circle cx=\"0\" cy=\"0\" r=\"4.5\" fill=\"rgba(15,23,42,.6)\" stroke=\"#DC2626\" stroke-width=\".4\"\/>\n                    <g fill=\"rgba(220,38,38,.5)\" stroke=\"#DC2626\" stroke-width=\".3\">\n                      <polygon points=\"-1.5,-9 1.5,-9 2,-5.5 -2,-5.5\"\/>\n                      <polygon points=\"-1.5,9 1.5,9 2,5.5 -2,5.5\"\/>\n                      <polygon points=\"-9,-1.5 -9,1.5 -5.5,2 -5.5,-2\"\/>\n                      <polygon points=\"9,-1.5 9,1.5 5.5,2 5.5,-2\"\/>\n                    <\/g>\n                    <text x=\"0\" y=\"22\" font-family=\"Roboto Mono,monospace\" font-size=\"4.5\" fill=\"#DC2626\" text-anchor=\"middle\" font-weight=\"700\">TAPER PAIR<\/text>\n                    <text x=\"0\" y=\"28\" font-family=\"Roboto Mono,monospace\" font-size=\"3.5\" fill=\"rgba(220,38,38,.65)\" text-anchor=\"middle\">heavy machine<\/text>\n                  <\/g>\n                  <line x1=\"14\" y1=\"88\" x2=\"158\" y2=\"88\" stroke=\"rgba(255,255,255,.15)\" stroke-width=\".4\"\/>\n                  <text x=\"86\" y=\"98\" font-family=\"Roboto Mono,monospace\" font-size=\"5\" fill=\"rgba(255,255,255,.65)\" text-anchor=\"middle\">+ HYBRID Si3N4 \u00b7 MAGNETIC \u00b7 AIR<\/text>\n                  <text x=\"86\" y=\"104\" font-family=\"Roboto Mono,monospace\" font-size=\"4\" fill=\"rgba(220,38,38,.85)\" text-anchor=\"middle\" font-weight=\"700\">SPECIFY BRG TYPE + DUTY<\/text>\n                <\/g>\n\n                <!-- BOTTOM-RIGHT: material \u00d7 HRC \u00d7 use -->\n                <g transform=\"translate(220,232)\">\n                  <rect x=\"0\" y=\"0\" width=\"252\" height=\"108\" fill=\"rgba(15,23,42,.4)\" stroke=\"#475569\" stroke-width=\"1\" stroke-dasharray=\"4 3\" rx=\"6\"\/>\n                  <text x=\"10\" y=\"14\" font-family=\"Roboto Mono,monospace\" font-size=\"8\" fill=\"rgba(255,255,255,.55)\" letter-spacing=\"1\">MATERIAL \u00b7 HRC \u00b7 USE<\/text>\n                  <line x1=\"10\" y1=\"22\" x2=\"242\" y2=\"22\" stroke=\"rgba(255,255,255,.2)\" stroke-width=\".5\"\/>\n                  <text x=\"14\" y=\"32\" font-family=\"Roboto Mono,monospace\" font-size=\"6\" fill=\"rgba(255,255,255,.55)\">MATERIAL<\/text>\n                  <text x=\"138\" y=\"32\" font-family=\"Roboto Mono,monospace\" font-size=\"6\" fill=\"rgba(255,255,255,.55)\">HRC \/ HV<\/text>\n                  <text x=\"238\" y=\"32\" font-family=\"Roboto Mono,monospace\" font-size=\"6\" fill=\"rgba(255,255,255,.55)\" text-anchor=\"end\">USE<\/text>\n                  <line x1=\"10\" y1=\"38\" x2=\"242\" y2=\"38\" stroke=\"rgba(255,255,255,.1)\" stroke-width=\".4\"\/>\n                  <g font-family=\"Roboto Mono,monospace\" font-size=\"6.5\">\n                    <rect x=\"10\" y=\"40\" width=\"232\" height=\"11\" fill=\"rgba(220,38,38,.18)\" rx=\"2\"\/>\n                    <text x=\"14\" y=\"48\" fill=\"#DC2626\" font-weight=\"700\">42CrMo4 IH \u25c0<\/text><text x=\"138\" y=\"48\" fill=\"#DC2626\" font-weight=\"700\">HRC 52\u201358<\/text><text x=\"238\" y=\"48\" fill=\"#DC2626\" font-weight=\"700\" text-anchor=\"end\">std MC \/ lathe<\/text>\n                    <line x1=\"10\" y1=\"54\" x2=\"242\" y2=\"54\" stroke=\"rgba(255,255,255,.08)\" stroke-width=\".3\"\/>\n                    <text x=\"14\" y=\"64\" fill=\"#fff\">SUS440C<\/text><text x=\"138\" y=\"64\" fill=\"rgba(255,255,255,.75)\">HRC 58\u201362<\/text><text x=\"238\" y=\"64\" fill=\"rgba(255,255,255,.65)\" text-anchor=\"end\">hi-spd \/ corrosion<\/text>\n                    <line x1=\"10\" y1=\"68\" x2=\"242\" y2=\"68\" stroke=\"rgba(255,255,255,.08)\" stroke-width=\".3\"\/>\n                    <text x=\"14\" y=\"78\" fill=\"#fff\">20CrMnTi C<\/text><text x=\"138\" y=\"78\" fill=\"rgba(255,255,255,.75)\">HRC 60+<\/text><text x=\"238\" y=\"78\" fill=\"rgba(255,255,255,.65)\" text-anchor=\"end\">heavy lathe<\/text>\n                    <line x1=\"10\" y1=\"82\" x2=\"242\" y2=\"82\" stroke=\"rgba(255,255,255,.08)\" stroke-width=\".3\"\/>\n                    <text x=\"14\" y=\"92\" fill=\"#FCD34D\">GCr15 (SUJ2)<\/text><text x=\"138\" y=\"92\" fill=\"rgba(252,211,77,.85)\">HRC 60\u201362<\/text><text x=\"238\" y=\"92\" fill=\"rgba(252,211,77,.7)\" text-anchor=\"end\">grinding spindle<\/text>\n                    <line x1=\"10\" y1=\"96\" x2=\"242\" y2=\"96\" stroke=\"rgba(255,255,255,.08)\" stroke-width=\".3\"\/>\n                    <text x=\"14\" y=\"105\" fill=\"rgba(125,211,252,.85)\">Al 7075-T6 HA<\/text><text x=\"138\" y=\"105\" fill=\"rgba(125,211,252,.7)\">HV 400<\/text><text x=\"238\" y=\"105\" fill=\"rgba(125,211,252,.65)\" text-anchor=\"end\">router \/ lightweight<\/text>\n                  <\/g>\n                <\/g>\n                <text x=\"468\" y=\"20\" font-family=\"Roboto Mono,monospace\" font-size=\"8\" fill=\"rgba(255,255,255,.4)\" text-anchor=\"end\" letter-spacing=\"1\">SCALE 1:3 \u00b7 MM<\/text>\n              <\/svg>\n            <\/div>\n            <div class=\"hxc-hero2-chips\">\n              <div class=\"hxc-hero2-chip\"><div class=\"hxc-hero2-chip-v\">Machining Centre \u00b7 Lathe \u00b7 Grinding \u00b7 Router \u00b7 Aero \u00b7 Med<\/div><div class=\"hxc-hero2-chip-l\">Applications<\/div><\/div>\n              <div class=\"hxc-hero2-chip\"><div class=\"hxc-hero2-chip-v\">42CrMo4 \u00b7 SUS440C \u00b7 20CrMnTi \u00b7 GCr15 \u00b7 Al 7075<\/div><div class=\"hxc-hero2-chip-l\">Materials<\/div><\/div>\n              <div class=\"hxc-hero2-chip\"><div class=\"hxc-hero2-chip-v\">48<span>hr<\/span> Quote \u00b7 5-Day Proto<\/div><div class=\"hxc-hero2-chip-l\">Service<\/div><\/div>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <div class=\"hxc-stats\">\n    <div class=\"hxc-sg\">\n      <div class=\"hxc-st\"><div class=\"hxc-sn\">IT3<\/div><div class=\"hxc-sl2\">OD Tolerance<br>machine tool spindle grade<\/div><\/div>\n      <div class=\"hxc-st\"><div class=\"hxc-sn\">\u22640.001mm<\/div><div class=\"hxc-sl2\">Roundness<br>high-speed grade<\/div><\/div>\n      <div class=\"hxc-st\"><div class=\"hxc-sn\">Ra 0.1\u00b5m<\/div><div class=\"hxc-sl2\">Surface Finish<br>lapped bearing journal<\/div><\/div>\n      <div class=\"hxc-st\"><div class=\"hxc-sn\">5 Days<\/div><div class=\"hxc-sl2\">Fastest Delivery<br>prototype spindles<\/div><\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"hxc-s-cd\" id=\"hxc-gal\">\n    <div class=\"hxc-inner\">\n      <div class=\"hxc-gh\">\n        <div>\n          <span class=\"hxc-ey\">Our Work<\/span>\n          <h2 class=\"hxc-h2\">Precision Spindles We Have Made<\/h2>\n          <p class=\"hxc-sub\">Precision CNC machined and lapped spindles for machine tool, grinding, aerospace, medical, and high-speed motorised applications.<\/p>\n        <\/div>\n        <a class=\"hxc-btn hxc-o\" href=\"#hxc-cta\" style=\"flex-shrink:0\">Request Similar Part <span class=\"hxc-ar\">\u2192<\/span><\/a>\n      <\/div>\n      <div class=\"hxc-gg\">\n        <div class=\"hxc-gc\">\n          <img decoding=\"async\" alt=\"Machine Tool Spindle \u2014 Vertical MC\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/05\/Machine-Tool-Spindle-Vertical-MC.webp\">\n          <span class=\"hxc-gtag\">42CrMo4 \u00b7 MC<\/span><div class=\"hxc-gov\"><div class=\"hxc-gn\">Machine Tool Spindle \u2014 Vertical MC<\/div><div class=\"hxc-gm\">\u00d852 \u00b7 L=380 \u00b7 IT3 \u00b7 Ra 0.1\u00b5m \u00b7 20 pcs<\/div><\/div><\/div>\n        <div class=\"hxc-gc\"><img decoding=\"async\" alt=\"Grinding Machine Spindle \u2014 High-speed\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/05\/Grinding-Machine-Spindle-High-speed.webp\">\n          <span class=\"hxc-gtag\">SUS440C \u00b7 Grinding<\/span><div class=\"hxc-gov\"><div class=\"hxc-gn\">Grinding Machine Spindle \u2014 High-speed<\/div><div class=\"hxc-gm\">\u00d835 \u00b7 60,000 RPM rated \u00b7 10 pcs<\/div><\/div><\/div>\n        <div class=\"hxc-gc\"><img decoding=\"async\" alt=\"CNC Router Spindle \u2014 Lightweight\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/05\/CNC-Router-Spindle-Lightweight.webp\">\n          <span class=\"hxc-gtag\">Al 7075 \u00b7 Router<\/span><div class=\"hxc-gov\"><div class=\"hxc-gn\">CNC Router Spindle \u2014 Lightweight<\/div><div class=\"hxc-gm\">\u00d828 \u00b7 Hard-anodized \u00b7 30 pcs<\/div><\/div><\/div>\n        <div class=\"hxc-gc\"><img decoding=\"async\" alt=\"Lathe Spindle \u2014 Precision Turning\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/05\/Lathe-Spindle-Precision-Turning.webp\">\n          <span class=\"hxc-gtag\">42CrMo4 \u00b7 Lathe<\/span><div class=\"hxc-gov\"><div class=\"hxc-gn\">Lathe Spindle \u2014 Precision Turning<\/div><div class=\"hxc-gm\">\u00d880 \u00b7 L=420 \u00b7 Hardened \u00b7 15 pcs<\/div><\/div><\/div>\n        <div class=\"hxc-gc\"><img decoding=\"async\" alt=\"Aerospace Spindle \u2014 Actuator\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/05\/Aerospace-Spindle-Actuator.webp\">\n          <span class=\"hxc-gtag\">Ti Grade 5 \u00b7 Aero<\/span><div class=\"hxc-gov\"><div class=\"hxc-gn\">Aerospace Spindle \u2014 Actuator<\/div><div class=\"hxc-gm\">\u00d818 \u00b7 Shot peened \u00b7 8 pcs<\/div><\/div><\/div>\n        <div class=\"hxc-gc\"><img decoding=\"async\" alt=\"Medical Spindle \u2014 Surgical Robot\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/05\/Medical-Spindle-Surgical-Robot.webp\">\n          <span class=\"hxc-gtag\">SUS316L \u00b7 Med<\/span><div class=\"hxc-gov\"><div class=\"hxc-gn\">Medical Spindle \u2014 Surgical Robot<\/div><div class=\"hxc-gm\">\u00d814 \u00b7 Ra 0.1\u00b5m \u00b7 Passivated \u00b7 12 pcs<\/div><\/div><\/div>\n        <div class=\"hxc-gc\"><img decoding=\"async\" alt=\"Angular Contact Bearing Spindle\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/05\/Angular-Contact-Bearing-Spindle.webp\">\n          <span class=\"hxc-gtag\">SUS440C \u00b7 Brg<\/span><div class=\"hxc-gov\"><div class=\"hxc-gn\">Angular Contact Bearing Spindle<\/div><div class=\"hxc-gm\">\u00d840 \u00b7 Preloaded \u00b7 DIN IT3 \u00b7 25 pcs<\/div><\/div><\/div>\n        <div class=\"hxc-gc\"><img decoding=\"async\" alt=\"IT3 Roundness Report\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/05\/Angular-Contact-Bearing-Spindle.webp\"><span class=\"hxc-gtag\">CMM + Roundness<\/span><div class=\"hxc-gov\"><div class=\"hxc-gn\">IT3 Roundness Report Every Piece<\/div><div class=\"hxc-gm\">Roundness \u2264 0.001 mm guaranteed<\/div><\/div><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"hxc-s\">\n    <div class=\"hxc-inner\" style=\"text-align:center\">\n      <span class=\"hxc-ey\">How It Works<\/span>\n      <h2 class=\"hxc-h2\" style=\"margin:0 auto 10px\">From Drawing to Finished Part<\/h2>\n      <p class=\"hxc-sub\" style=\"margin:0 auto\">Upload your drawing \u2014 material, accuracy class, bearing journals, and spindle nose. Quote in 48 hours.<\/p>\n      <div class=\"hxc-psg\">\n        <div class=\"hxc-ps\"><div class=\"hxc-psn\">01<\/div><div class=\"hxc-pst\">Upload Drawing<\/div><div class=\"hxc-psd\">STEP, DXF, PDF, or sketch with key dimensions and tolerances.<\/div><\/div>\n        <div class=\"hxc-ps\"><div class=\"hxc-psn\">02<\/div><div class=\"hxc-pst\">Quote in 48h<\/div><div class=\"hxc-psd\">Material, process, surface treatment, and firm lead time.<\/div><\/div>\n        <div class=\"hxc-ps\"><div class=\"hxc-psn\">03<\/div><div class=\"hxc-pst\">CNC + Lap + Inspect<\/div><div class=\"hxc-psd\">Precision turning, grinding, lapping, CMM + roundness verification.<\/div><\/div>\n        <div class=\"hxc-ps\"><div class=\"hxc-psn\">04<\/div><div class=\"hxc-pst\">Ship Worldwide<\/div><div class=\"hxc-psd\">Full dimensional + roundness report. DHL \/ FedEx \/ sea freight.<\/div><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"hxc-s\">\n    <div class=\"hxc-inner\">\n      <div style=\"text-align:center;margin-bottom:36px\">\n        <span class=\"hxc-ey\">Reviews<\/span>\n        <h2 class=\"hxc-h2\">Trusted Precision Spindles Manufacturer<\/h2>\n      <\/div>\n      <div class=\"hxc-tsg\">\n        <div class=\"hxc-tsi hxc-rv\"><div class=\"hxc-tss\">\u2605\u2605\u2605\u2605\u2605<\/div><div class=\"hxc-tst\">\"Excellent dimensional consistency across every batch. CMM and roundness reports matched our incoming inspection perfectly. Lead time as promised.\"<\/div><div class=\"hxc-tshr\"><\/div><div class=\"hxc-tsau\"><div class=\"hxc-tsav\">AK<\/div><div><div class=\"hxc-tsnm\">Alex K.<\/div><div class=\"hxc-tsco\">Mechanical Engineer \u00b7 Germany<\/div><\/div><\/div><\/div>\n        <div class=\"hxc-tsi hxc-rv\"><div class=\"hxc-tss\">\u2605\u2605\u2605\u2605\u2605<\/div><div class=\"hxc-tst\">\"HXC's DFM review caught two design issues before production. Finished spindles ran true on the first build \u2014 exactly the roundness we needed.\"<\/div><div class=\"hxc-tshr\"><\/div><div class=\"hxc-tsau\"><div class=\"hxc-tsav\">SL<\/div><div><div class=\"hxc-tsnm\">Sophie L.<\/div><div class=\"hxc-tsco\">Design Engineer \u00b7 France<\/div><\/div><\/div><\/div>\n        <div class=\"hxc-tsi hxc-rv\"><div class=\"hxc-tss\">\u2605\u2605\u2605\u2605\u2605<\/div><div class=\"hxc-tst\">\"Three years sourcing precision spindles from HXC. Quality consistent, lead times reliable, engineers always responsive.\"<\/div><div class=\"hxc-tshr\"><\/div><div class=\"hxc-tsau\"><div class=\"hxc-tsav\">JT<\/div><div><div class=\"hxc-tsnm\">James T.<\/div><div class=\"hxc-tsco\">Senior Engineer \u00b7 UK<\/div><\/div><\/div><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"hxc-s-sf\" id=\"hxc-faq\">\n    <div class=\"hxc-inner\">\n      <span class=\"hxc-ey\">FAQ<\/span>\n      <h2 class=\"hxc-h2\">Precision Spindles \u2014 Frequently Asked Questions<\/h2>\n      <p class=\"hxc-sub\" style=\"margin-bottom:40px\">Technical and sourcing questions answered by our engineers.<\/p>\n      <div class=\"hxc-faq-grid\">\n        <div>\n          <div class=\"hxc-faq-item\"><button aria-expanded=\"false\" class=\"hxc-faq-q\" onclick=\"hxcFaq(this)\">What is a precision spindle?<span class=\"hxc-faq-icon\">+<\/span><\/button><div class=\"hxc-faq-body\">A precision spindle is a <strong>rotating shaft designed to carry a cutting tool, grinding wheel, or workpiece<\/strong> in a machine tool \u2014 where dimensional accuracy and rotational precision are the primary requirements. Spindle OD and bearing journal tolerances are graded to IT3 or better, roundness is controlled to \u2264 0.001 mm, and surface finish Ra 0.1 \u00b5m is standard on bearing contact surfaces. Any deviation from these tolerances directly causes machining error in the parts the spindle produces.<\/div><\/div>\n          <div class=\"hxc-faq-item\"><button aria-expanded=\"false\" class=\"hxc-faq-q\" onclick=\"hxcFaq(this)\">What is the critical tolerance for a machine tool spindle?<span class=\"hxc-faq-icon\">+<\/span><\/button><div class=\"hxc-faq-body\">The critical dimensions are: <strong>bearing journal OD (IT3\u2013IT5)<\/strong> \u2014 sets the interference fit to the bearing inner race; <strong>runout of spindle nose to bearing journal (\u2264 0.002 mm TIR)<\/strong> \u2014 directly determines workpiece concentricity; <strong>roundness of bearing journal (\u2264 0.001 mm)<\/strong> \u2014 affects bearing preload uniformity and vibration; <strong>surface finish Ra 0.1 \u00b5m<\/strong> on journals \u2014 ensures consistent bearing fit. HXC measures all four parameters and reports them on every spindle.<\/div><\/div>\n          <div class=\"hxc-faq-item\"><button aria-expanded=\"false\" class=\"hxc-faq-q\" onclick=\"hxcFaq(this)\">What materials are used for precision spindles?<span class=\"hxc-faq-icon\">+<\/span><\/button><div class=\"hxc-faq-body\"><strong>42CrMo4<\/strong> (induction hardened to HRC 52\u201358): standard for machining centre and lathe spindles \u2014 good fatigue resistance and dimensional stability after hardening. <strong>SUS440C bearing stainless<\/strong> (HRC 58\u201362): for high-speed spindles requiring corrosion resistance and maximum surface hardness. <strong>20CrMnTi<\/strong> (carburized) for heavy lathe spindles. <strong>GCr15 (SUJ2)<\/strong> through-hardened for grinding spindles. <strong>Al 7075-T6 HA<\/strong> for lightweight routing spindles.<\/div><\/div>\n          <div class=\"hxc-faq-item\"><button aria-expanded=\"false\" class=\"hxc-faq-q\" onclick=\"hxcFaq(this)\">What speed rating is achievable?<span class=\"hxc-faq-icon\">+<\/span><\/button><div class=\"hxc-faq-body\">HXC does not rate maximum spindle speed (that depends on the bearing selection and lubrication system), but the machined spindle geometry \u2014 roundness \u2264 0.001 mm, journal OD IT3, surface finish Ra 0.1 \u00b5m, and dynamic balance per ISO 1940-1 G1.0 \u2014 is compatible with spindle designs rated to 60,000+ RPM when assembled with matched precision bearings. Dynamic balance is offered as an option for spindles above 10,000 RPM.<\/div><\/div>\n        <\/div>\n        <div>\n          <div class=\"hxc-faq-item\"><button aria-expanded=\"false\" class=\"hxc-faq-q\" onclick=\"hxcFaq(this)\">What is the lead time?<span class=\"hxc-faq-icon\">+<\/span><\/button><div class=\"hxc-faq-body\">Prototype (1\u20135 pcs, turned + ground + lapped): 5\u20138 days. Small batch (10\u201350 pcs): 8\u201314 days. Production (100\u2013500 pcs): 12\u201318 days. Lapping to IT3 \/ Ra 0.1 \u00b5m: include in baseline lead time. Stainless \/ titanium \/ dynamic balance: add 2\u20134 days. Rush production available.<\/div><\/div>\n          <div class=\"hxc-faq-item\"><button aria-expanded=\"false\" class=\"hxc-faq-q\" onclick=\"hxcFaq(this)\">What surface finish is achievable on bearing journals?<span class=\"hxc-faq-icon\">+<\/span><\/button><div class=\"hxc-faq-body\">Standard ground OD: Ra 0.4 \u00b5m. Precision bearing seats (HXC default for spindles): <strong>Ra 0.1 \u00b5m lapped<\/strong>. Mirror finish for high-speed grinding spindles: Ra 0.05 \u00b5m super-lapped on request. All measured by contact profilometer and reported on the inspection certificate. Bearing journal roundness also measured on a Talyrond roundness machine.<\/div><\/div>\n          <div class=\"hxc-faq-item\"><button aria-expanded=\"false\" class=\"hxc-faq-q\" onclick=\"hxcFaq(this)\">Can HXC machine integrated spindle features?<span class=\"hxc-faq-icon\">+<\/span><\/button><div class=\"hxc-faq-body\">Yes \u2014 drawbar bore for tool retention, pull-stud thread (M16 \/ M20 \/ M24), spindle nose taper (BT \/ HSK \/ ISO \/ CAT), encoder mounting at the rear, V-pulley or timing-pulley grooves, and through-coolant drilling are all machined in the same multi-axis turn-mill setup, ensuring concentricity within 0.003 mm TIR across all features.<\/div><\/div>\n          <div class=\"hxc-faq-item\"><button aria-expanded=\"false\" class=\"hxc-faq-q\" onclick=\"hxcFaq(this)\">What is dynamic balancing for spindles?<span class=\"hxc-faq-icon\">+<\/span><\/button><div class=\"hxc-faq-body\">Dynamic balancing removes residual mass imbalance from the finished spindle by measuring unbalance on a balancing machine and removing small amounts of material (or adding balance weights) to bring the unbalance below the target grade. HXC offers dynamic balancing to <strong>ISO 1940-1 G1.0 or G0.4<\/strong> for high-speed spindles above 10,000 RPM \u2014 specify your maximum operating speed and we advise on the required balance grade.<\/div><\/div>\n          <div class=\"hxc-faq-item\"><button aria-expanded=\"false\" class=\"hxc-faq-q\" onclick=\"hxcFaq(this)\">What is the difference between a spindle and a shaft?<span class=\"hxc-faq-icon\">+<\/span><\/button><div class=\"hxc-faq-body\">All spindles are shafts, but not all shafts are spindles. A <strong>spindle<\/strong> specifically carries a machining or inspection function \u2014 bearing journals, taper bore (BT \/ HSK \/ ISO), or chuck mount \u2014 and is held to the tightest accuracy class (IT3\u2013IT5). A <strong>general shaft<\/strong> transmits torque or supports a structural load and is typically made to IT6\u2013IT8. The manufacturing process is the same (CNC turning + cylindrical grinding) but spindles require additional measurement steps: roundness, runout, and finish verification at bearing surfaces.<\/div><\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/div>\n\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is a precision spindle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A rotating shaft for machine tools where OD tolerance IT3, roundness \u2264 0.001 mm, runout \u2264 0.002 mm TIR, and Ra 0.1 \u00b5m are the primary requirements. Any error directly causes machining inaccuracy in the parts the spindle produces.\"}},{\"@type\":\"Question\",\"name\":\"What tolerances are needed for spindle bearing journals?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"IT3\u2013IT5 OD tolerance, roundness \u2264 0.001 mm, runout to spindle nose \u2264 0.002 mm TIR, Ra 0.1 \u00b5m surface finish on bearing contact surfaces.\"}},{\"@type\":\"Question\",\"name\":\"What materials are used for precision spindles?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"42CrMo4 hardened for machining centres. SUS440C for high-speed corrosion-resistant. 20CrMnTi for heavy lathe. GCr15 (SUJ2) for grinding spindles. Al 7075 for lightweight routing.\"}},{\"@type\":\"Question\",\"name\":\"What is the lead time?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Prototype: 5\u20138 days. Small batch: 8\u201314 days. Production: 12\u201318 days. Lapping to IT3 \/ Ra 0.1 \u00b5m included in baseline lead time.\"}}]}\n<\/script>\n\n<script>\nfunction hxcFaq(btn){var body=btn.nextElementSibling;var isOpen=btn.classList.contains('open');btn.classList.toggle('open',!isOpen);btn.setAttribute('aria-expanded',String(!isOpen));body.classList.toggle('open',!isOpen);}\nvar hxcObs=new IntersectionObserver(function(entries){entries.forEach(function(e,i){if(e.isIntersecting){setTimeout(function(){e.target.classList.add('in');},i*90);}});},{threshold:.08});\ndocument.querySelectorAll('.hxc-rv').forEach(function(el){hxcObs.observe(el);});\n<\/script>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-7a8da00 e-con-full e-flex e-con e-parent\" data-id=\"7a8da00\" data-element_type=\"container\" data-e-type=\"container\" id=\"hxc-cta\">\n\t\t<div class=\"elementor-element elementor-element-3ef1eda1 e-con-full e-flex e-con e-child\" data-id=\"3ef1eda1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7819f404 elementor-widget elementor-widget-html\" data-id=\"7819f404\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<!-- HXCNC CTA Left Panel | namespace .HXCL | Elementor HTML Widget -->\n<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n<link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Roboto:wght@300;400;500;700;900&family=Roboto+Condensed:wght@400;700;900&family=Roboto+Mono:wght@400;500&display=swap\" rel=\"stylesheet\">\n<style>\n.HXCL{\n  --bg:#F7F9FC;--wh:#FFFFFF;--lt:#EEF3F8;\n  --tx:#1F2937;--tx1:#5B6777;--tx2:#9CA8B4;--bd:#D7E0EA;\n  --a:#2563EB;--a2:#1D4ED8;--aA:rgba(37,99,235,.07);--aC:rgba(37,99,235,.20);\n  --ac:#0F766E;--acA:rgba(15,118,110,.08);--acB:rgba(15,118,110,.15);--acC:rgba(15,118,110,.22);\n  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 display:flex;align-items:center;justify-content:center;font-size:15px;\n  transition:background .18s;\n}\n.HXCL .avitem:hover .ico{background:var(--acB);}\n.HXCL .avitem .at{\n  font-family:var(--fh);font-size:14px;font-weight:700;\n  color:var(--tx);margin-bottom:2px;line-height:1.2;\n}\n.HXCL .avitem .ad{\n  font-size:12px;color:var(--tx1);line-height:1.62;\n}\n\n\/* \u2500\u2500 CERT TAGS \u2500\u2500 *\/\n.HXCL .certs{\n  display:flex;flex-wrap:wrap;gap:7px;\n  padding-top:20px;border-top:1.5px solid var(--bd);\n}\n.HXCL .cert{\n  padding:4px 11px;border-radius:100px;\n  background:var(--lt);border:1px solid var(--bd);\n  font-family:var(--fm);font-size:10px;color:var(--tx2);letter-spacing:.8px;\n}\n.HXCL .cert.hi{\n  background:var(--acA);border-color:var(--acC);\n  color:var(--ac);font-weight:700;\n}\n<\/style>\n\n<div class=\"HXCL\">\n<div class=\"panel\">\n\n  <div class=\"eyebrow\">Get a Quote<\/div>\n\n  <h2 class=\"headline\">\n    Send Your Drawing.<br><em>Get a Quote.<\/em>\n  <\/h2>\n\n  <p class=\"sub\">Every enquiry includes a DFM review \u2014 tolerance feasibility, material confirmation, and process approach confirmed before production starts. MOQ 1 piece.<\/p>\n\n  <!-- Stats row -->\n  <div class=\"stats\">\n    <div class=\"stat\">\n      <div class=\"sv\">24<small>hr<\/small><\/div>\n      <div class=\"sl\">Quote Response<\/div>\n    <\/div>\n    <div class=\"stat\">\n      <div class=\"sv\">MOQ <small>1<\/small><\/div>\n      <div class=\"sl\">Prototypes OK<\/div>\n    <\/div>\n    <div class=\"stat\">\n      <div class=\"sv\">ISO<\/div>\n      <div class=\"sl\">9001:2015<\/div>\n    <\/div>\n  <\/div>\n\n  <!-- Advantage list -->\n  <div class=\"avlist\">\n    <div class=\"avitem\">\n      <div class=\"ico\">&#128208;<\/div>\n      <div>\n        <div class=\"at\">DFM Review on Every Enquiry<\/div>\n        <div class=\"ad\">Tolerance feasibility, fixturing strategy, and material confirmation. Specific, actionable feedback \u2014 not generic pushback.<\/div>\n      <\/div>\n    <\/div>\n    <div class=\"avitem\">\n      <div class=\"ico\">&#127919;<\/div>\n      <div>\n        <div class=\"at\">First Article Inspection \u2014 Standard<\/div>\n        <div class=\"ad\">FAI report on every new run. Material certs and surface treatment certs included with every shipment.<\/div>\n      <\/div>\n    <\/div>\n    <div class=\"avitem\">\n      <div class=\"ico\">&#128260;<\/div>\n      <div>\n        <div class=\"at\">Same Process: Prototype to Production<\/div>\n        <div class=\"ad\">Process plan from your prototype applies to production batches. No re-qualification when you scale.<\/div>\n      <\/div>\n    <\/div>\n    <div class=\"avitem\">\n      <div class=\"ico\">&#9881;<\/div>\n      <div>\n        <div class=\"at\">3 \/ 4 \/ 5-Axis CNC + Turning<\/div>\n        <div class=\"ad\">Complex structural parts, shafts, housings, and transmission components. Metals and engineering plastics.<\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <!-- Cert tags -->\n  <div class=\"certs\">\n    <span class=\"cert hi\">ISO 9001:2015<\/span>\n    <span class=\"cert\">3\/4\/5-Axis Milling<\/span>\n    <span class=\"cert\">CNC Turning<\/span>\n    <span class=\"cert\">CMM Inspection<\/span>\n    <span class=\"cert\">Global Delivery<\/span>\n  <\/div>\n\n<\/div>\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f6a3d9b e-con-full e-flex e-con e-child\" data-id=\"f6a3d9b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6e69609 elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"6e69609\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;button_width&quot;:&quot;100&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"New Form\" aria-label=\"New Form\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"1143\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"6e69609\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"Tightest Class HXC OffersPrecision Spindles | HXCNC\" \/>\n\n\t\t\t\t\t\t\t<input type=\"hidden\" name=\"queried_id\" value=\"1143\"\/>\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-above\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tName\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Name\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-field_12786b6 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_12786b6\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tCompany\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[field_12786b6]\" id=\"form-field-field_12786b6\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Company Name\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-email\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tEmail\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Email\" required=\"required\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-select elementor-field-group elementor-column elementor-field-group-field_0c79fc0 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_0c79fc0\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tMaterial\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field elementor-select-wrapper remove-before \">\n\t\t\t<div class=\"select-caret-down-wrapper\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-caret-down\" viewBox=\"0 0 571.4 571.4\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M571 393Q571 407 561 418L311 668Q300 679 286 679T261 668L11 418Q0 407 0 393T11 368 36 357H536Q550 357 561 368T571 393Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t\t<select name=\"form_fields[field_0c79fc0]\" id=\"form-field-field_0c79fc0\" class=\"elementor-field-textual elementor-size-sm\">\n\t\t\t\t\t\t\t\t\t<option value=\"aluminium_6061_t6\">Aluminium 6061-T6<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"aluminium_7075_t6\">Aluminium 7075-T6<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"stainless_steel_304\">Stainless Steel 304<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"stainless_steel_316l\">Stainless Steel 316L<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"carbon_steel_4140\">Carbon Steel \/ 4140<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"titanium_ti_6al_4v\">Titanium Ti-6Al-4V<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"brass_c360\">Brass C360<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"copper\">Copper<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"peek\">PEEK<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"pom_acetal\">POM \/ Acetal<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"nylon_pa6_pa66\">Nylon PA6 \/ PA66<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"ptfe_teflon\">PTFE \/ Teflon<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"polycarbonate\">Polycarbonate<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"abs\">ABS<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"other_not_sure\">Other \/ Not sure<\/option>\n\t\t\t\t\t\t\t<\/select>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-select elementor-field-group elementor-column elementor-field-group-field_161b5ef elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_161b5ef\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tSurface Finish\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field elementor-select-wrapper remove-before \">\n\t\t\t<div class=\"select-caret-down-wrapper\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-caret-down\" viewBox=\"0 0 571.4 571.4\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M571 393Q571 407 561 418L311 668Q300 679 286 679T261 668L11 418Q0 407 0 393T11 368 36 357H536Q550 357 561 368T571 393Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t\t<select name=\"form_fields[field_161b5ef]\" id=\"form-field-field_161b5ef\" class=\"elementor-field-textual elementor-size-sm\">\n\t\t\t\t\t\t\t\t\t<option value=\"as_machined\">As-machined<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"anodised_type_ii\">Anodised Type II<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"anodised_type_iii_hard\">Anodised Type III (Hard)<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"electroplating\">Electroplating<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"powder_coating\">Powder Coating<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"black_oxide\">Black Oxide<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"passivation_ss\">Passivation (SS)<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"polishing_ra_requirement\">Polishing \/ Ra requirement<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"other_specify_below\">Other (specify below)<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"Select \">Select finish (optional)<\/option>\n\t\t\t\t\t\t\t<\/select>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-textarea elementor-field-group elementor-column elementor-field-group-message elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-message\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tAdditional Requirements\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t<textarea class=\"elementor-field-textual elementor-field  elementor-size-sm\" name=\"form_fields[message]\" id=\"form-field-message\" rows=\"4\" placeholder=\"Target delivery date, critical dimensions, tolerance callouts, inspection requirements, application context...\"><\/textarea>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-upload elementor-field-group elementor-column elementor-field-group-field_0071b0f elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_0071b0f\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tFile Upload\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<input type=\"file\" name=\"form_fields[field_0071b0f]\" id=\"form-field-field_0071b0f\" class=\"elementor-field elementor-size-sm  elementor-upload-field\">\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-100 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-sm\" type=\"submit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-arrow-alt-circle-right\" 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OD tolerance IT3, roundness \u2264 0.001 mm, surface finish Ra 0.1 \u00b5m, spindle nose to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3818,"parent":39,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1143","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Tightest Class HXC OffersPrecision Spindles | HXCNC<\/title>\n<meta name=\"description\" content=\"Flagship CNC ground precision spindles for machine tool, grinding machine, and high-speed motorised spindle applications.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hxcnc.com\/zh\/product\/precision-spindle\/\" \/>\n<meta property=\"og:locale\" content=\"zh_TW\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Custom Precision Spindles\" \/>\n<meta property=\"og:description\" content=\"Flagship CNC ground precision spindles for machine tool, grinding machine, and high-speed motorised spindle applications.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hxcnc.com\/zh\/product\/precision-spindle\/\" \/>\n<meta property=\"og:site_name\" content=\"HXCNC | Precision CNC Machining Manufacturer\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-26T08:20:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/05\/Medical-Spindle-Surgical-Robot.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1129\" \/>\n\t<meta property=\"og:image:height\" content=\"1129\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u9810\u4f30\u95b1\u8b80\u6642\u9593\" \/>\n\t<meta name=\"twitter:data1\" content=\"8 \u5206\u9418\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/hxcnc.com\\\/product\\\/precision-spindle\\\/\",\"url\":\"https:\\\/\\\/hxcnc.com\\\/product\\\/precision-spindle\\\/\",\"name\":\"Tightest Class HXC OffersPrecision Spindles | HXCNC\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/hxcnc.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/hxcnc.com\\\/product\\\/precision-spindle\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/hxcnc.com\\\/product\\\/precision-spindle\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/hxcnc.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/Medical-Spindle-Surgical-Robot.webp\",\"datePublished\":\"2026-04-10T07:39:31+00:00\",\"dateModified\":\"2026-05-26T08:20:23+00:00\",\"description\":\"Flagship CNC ground precision spindles for machine tool, grinding machine, and high-speed motorised spindle applications.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/hxcnc.com\\\/product\\\/precision-spindle\\\/#breadcrumb\"},\"inLanguage\":\"zh-TW\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/hxcnc.com\\\/product\\\/precision-spindle\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-TW\",\"@id\":\"https:\\\/\\\/hxcnc.com\\\/product\\\/precision-spindle\\\/#primaryimage\",\"url\":\"https:\\\/\\\/hxcnc.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/Medical-Spindle-Surgical-Robot.webp\",\"contentUrl\":\"https:\\\/\\\/hxcnc.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/Medical-Spindle-Surgical-Robot.webp\",\"width\":1129,\"height\":1129},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/hxcnc.com\\\/product\\\/precision-spindle\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/hxcnc.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Product\",\"item\":\"https:\\\/\\\/hxcnc.com\\\/product\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Custom Precision Spindles\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/hxcnc.com\\\/#website\",\"url\":\"https:\\\/\\\/hxcnc.com\\\/\",\"name\":\"HXCNC | Precision CNC Machining Manufacturer\",\"description\":\"HXCNC provides precision CNC machining, CNC milling, CNC turning, 5-axis machining, Swiss turning, grinding, and surface finishing services for prototypes and production parts. 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