{"product_id":"mt4-lathe-alignment-test-bar-en31-steel","title":"MT4 Lathe Alignment Test Bar EN31 Alloy Steel | Precision Tailstock Alignment Tool | UK STOCK","description":"\u003ch3 data-section-id=\"1hw41om\" data-start=\"134\" data-end=\"206\"\u003eProfessional MT4 Alignment Test Bar for Lathe Accuracy \u0026amp; Calibration\u003c\/h3\u003e\n\u003cp data-start=\"208\" data-end=\"555\"\u003eThe \u003cstrong data-start=\"212\" data-end=\"244\"\u003eMT4 Lathe Alignment Test Bar\u003c\/strong\u003e is a precision-engineered inspection and calibration tool designed to verify and correct the alignment between a lathe's headstock and tailstock. Manufactured from premium \u003cstrong data-start=\"417\" data-end=\"437\"\u003eEN31 alloy steel\u003c\/strong\u003e, this test bar is hardened, ground, and finished to provide exceptional accuracy and long-term dimensional stability.\u003c\/p\u003e\n\u003cp data-start=\"557\" data-end=\"822\"\u003eDesigned for direct use in \u003cstrong data-start=\"584\" data-end=\"607\"\u003eMorse Taper 4 (MT4)\u003c\/strong\u003e spindles, the test bar helps identify alignment errors that can cause unwanted taper when machining long workpieces. It is also ideal for checking spindle accuracy, machine condition, and alignment between centers.\u003c\/p\u003e\n\u003cp data-start=\"824\" data-end=\"999\"\u003eWith a maximum run-out of just \u003cstrong data-start=\"855\" data-end=\"866\"\u003e0.0002\"\u003c\/strong\u003e, this test bar is an essential tool for machinists, toolrooms, machine maintenance departments, and precision engineering workshops.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1iz91iu\" data-start=\"1001\" data-end=\"1017\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"1018\" data-end=\"1485\"\u003e\n\u003cli data-section-id=\"fifz1b\" data-start=\"1018\" data-end=\"1058\"\u003ePrecision MT4 lathe alignment test bar\u003c\/li\u003e\n\u003cli data-section-id=\"sc02c1\" data-start=\"1059\" data-end=\"1103\"\u003eManufactured from premium EN31 alloy steel\u003c\/li\u003e\n\u003cli data-section-id=\"d4s6nx\" data-start=\"1104\" data-end=\"1146\"\u003eHardened and ground for maximum accuracy\u003c\/li\u003e\n\u003cli data-section-id=\"131ppsp\" data-start=\"1147\" data-end=\"1202\"\u003eDesigned for headstock and tailstock alignment checks\u003c\/li\u003e\n\u003cli data-section-id=\"c8vlcg\" data-start=\"1203\" data-end=\"1257\"\u003eHelps eliminate taper during long turning operations\u003c\/li\u003e\n\u003cli data-section-id=\"1than2a\" data-start=\"1258\" data-end=\"1309\"\u003eSuitable for spindle and center alignment testing\u003c\/li\u003e\n\u003cli data-section-id=\"1qwb2by\" data-start=\"1310\" data-end=\"1336\"\u003eMaximum run-out: 0.0002\"\u003c\/li\u003e\n\u003cli data-section-id=\"18t7r3r\" data-start=\"1337\" data-end=\"1385\"\u003eHigh dimensional stability and wear resistance\u003c\/li\u003e\n\u003cli data-section-id=\"ldbhev\" data-start=\"1386\" data-end=\"1430\"\u003eProfessional workshop and toolroom quality\u003c\/li\u003e\n\u003cli data-section-id=\"y8wma3\" data-start=\"1431\" data-end=\"1485\"\u003eIdeal for machine setup, inspection, and calibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1yl5694\" data-start=\"1487\" data-end=\"1505\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1507\" data-end=\"1812\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1507\" data-end=\"1534\"\u003e\n\u003ctr data-start=\"1507\" data-end=\"1534\"\u003e\n\u003cth data-start=\"1507\" data-end=\"1523\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"1523\" data-end=\"1534\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1562\" data-end=\"1812\"\u003e\n\u003ctr data-start=\"1562\" data-end=\"1605\"\u003e\n\u003ctd data-start=\"1562\" data-end=\"1577\" data-col-size=\"sm\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd data-start=\"1577\" data-end=\"1605\" data-col-size=\"sm\"\u003eLathe Alignment Test Bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1606\" data-end=\"1632\"\u003e\n\u003ctd data-start=\"1606\" data-end=\"1625\" data-col-size=\"sm\"\u003eMorse Taper Size\u003c\/td\u003e\n\u003ctd data-start=\"1625\" data-end=\"1632\" data-col-size=\"sm\"\u003eMT4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1633\" data-end=\"1664\"\u003e\n\u003ctd data-start=\"1633\" data-end=\"1644\" data-col-size=\"sm\"\u003eMaterial\u003c\/td\u003e\n\u003ctd data-start=\"1644\" data-end=\"1664\" data-col-size=\"sm\"\u003eEN31 Alloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1665\" data-end=\"1694\"\u003e\n\u003ctd data-start=\"1665\" data-end=\"1683\" data-col-size=\"sm\"\u003eMaximum Run-Out\u003c\/td\u003e\n\u003ctd data-start=\"1683\" data-end=\"1694\" data-col-size=\"sm\"\u003e0.0002\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1695\" data-end=\"1731\"\u003e\n\u003ctd data-start=\"1695\" data-end=\"1712\" data-col-size=\"sm\"\u003eOverall Length\u003c\/td\u003e\n\u003ctd data-start=\"1712\" data-end=\"1731\" data-col-size=\"sm\"\u003e385mm (15-1\/4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1732\" data-end=\"1762\"\u003e\n\u003ctd data-start=\"1732\" data-end=\"1741\" data-col-size=\"sm\"\u003eFinish\u003c\/td\u003e\n\u003ctd data-start=\"1741\" data-end=\"1762\" data-col-size=\"sm\"\u003eHardened \u0026amp; Ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1763\" data-end=\"1812\"\u003e\n\u003ctd data-start=\"1763\" data-end=\"1777\" data-col-size=\"sm\"\u003eApplication\u003c\/td\u003e\n\u003ctd data-start=\"1777\" data-end=\"1812\" data-col-size=\"sm\"\u003eAlignment \u0026amp; Calibration Testing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 data-section-id=\"wggvqn\" data-start=\"1814\" data-end=\"1830\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"1831\" data-end=\"2122\"\u003e\n\u003cli data-section-id=\"1vrl2mq\" data-start=\"1831\" data-end=\"1859\"\u003eTailstock alignment checks\u003c\/li\u003e\n\u003cli data-section-id=\"kihr3a\" data-start=\"1860\" data-end=\"1894\"\u003eHeadstock alignment verification\u003c\/li\u003e\n\u003cli data-section-id=\"g4mupm\" data-start=\"1895\" data-end=\"1924\"\u003eLathe calibration and setup\u003c\/li\u003e\n\u003cli data-section-id=\"9g40hr\" data-start=\"1925\" data-end=\"1945\"\u003eSpindle inspection\u003c\/li\u003e\n\u003cli data-section-id=\"xubi82\" data-start=\"1946\" data-end=\"1986\"\u003eEliminating taper in turned components\u003c\/li\u003e\n\u003cli data-section-id=\"1scvh52\" data-start=\"1987\" data-end=\"2013\"\u003eMachine accuracy testing\u003c\/li\u003e\n\u003cli data-section-id=\"335d68\" data-start=\"2014\" data-end=\"2036\"\u003eWorkshop maintenance\u003c\/li\u003e\n\u003cli data-section-id=\"1agsqmp\" data-start=\"2037\" data-end=\"2058\"\u003eToolroom inspection\u003c\/li\u003e\n\u003cli data-section-id=\"v6k0iu\" data-start=\"2059\" data-end=\"2087\"\u003ePrecision engineering work\u003c\/li\u003e\n\u003cli data-section-id=\"jr635r\" data-start=\"2088\" data-end=\"2122\"\u003eMachine rebuilding and servicing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"5y7puq\" data-start=\"2124\" data-end=\"2136\"\u003eBenefits\u003c\/h3\u003e\n\u003ch4 data-start=\"2138\" data-end=\"2169\"\u003eImprove Machining Accuracy\u003c\/h4\u003e\n\u003cp data-start=\"2170\" data-end=\"2278\"\u003eQuickly identifies alignment issues that can affect surface finish, dimensional accuracy, and taper control.\u003c\/p\u003e\n\u003ch4 data-start=\"2280\" data-end=\"2314\"\u003ePrecision Ground Construction\u003c\/h4\u003e\n\u003cp data-start=\"2315\" data-end=\"2392\"\u003eManufactured to strict tolerances for dependable and repeatable measurements.\u003c\/p\u003e\n\u003ch4 data-start=\"2394\" data-end=\"2423\"\u003ePremium EN31 Alloy Steel\u003c\/h4\u003e\n\u003cp data-start=\"2424\" data-end=\"2492\"\u003eProvides excellent hardness, wear resistance, and long service life.\u003c\/p\u003e\n\u003ch4 data-start=\"2494\" data-end=\"2533\"\u003eEssential Workshop Inspection Tool\u003c\/h4\u003e\n\u003cp data-start=\"2534\" data-end=\"2612\"\u003eUseful for routine maintenance, machine setup, and quality control procedures.\u003c\/p\u003e\n\u003ch4 data-start=\"2614\" data-end=\"2652\"\u003eProfessional Calibration Solution\u003c\/h4\u003e\n\u003cp data-start=\"2653\" data-end=\"2751\"\u003eSuitable for toolrooms, engineering workshops, production facilities, and maintenance departments.\u003c\/p\u003e\n\u003ch3 data-section-id=\"ndroi4\" data-start=\"2753\" data-end=\"2769\"\u003eSuitable For\u003c\/h3\u003e\n\u003cul data-start=\"2770\" data-end=\"2972\"\u003e\n\u003cli data-section-id=\"2g4hnl\" data-start=\"2770\" data-end=\"2785\"\u003eEngine Lathes\u003c\/li\u003e\n\u003cli data-section-id=\"1hxzcw8\" data-start=\"2786\" data-end=\"2803\"\u003eToolroom Lathes\u003c\/li\u003e\n\u003cli data-section-id=\"ubo5p\" data-start=\"2804\" data-end=\"2818\"\u003eBench Lathes\u003c\/li\u003e\n\u003cli data-section-id=\"19hs8bs\" data-start=\"2819\" data-end=\"2838\"\u003eIndustrial Lathes\u003c\/li\u003e\n\u003cli data-section-id=\"7h63sq\" data-start=\"2839\" data-end=\"2854\"\u003eMachine Shops\u003c\/li\u003e\n\u003cli data-section-id=\"1cq6ocn\" data-start=\"2855\" data-end=\"2878\"\u003eEngineering Workshops\u003c\/li\u003e\n\u003cli data-section-id=\"1pup6si\" data-start=\"2879\" data-end=\"2904\"\u003eMaintenance Departments\u003c\/li\u003e\n\u003cli data-section-id=\"18g96zb\" data-start=\"2905\" data-end=\"2935\"\u003eEducational Training Centers\u003c\/li\u003e\n\u003cli data-section-id=\"e3mgv1\" data-start=\"2936\" data-end=\"2972\"\u003ePrecision Manufacturing Facilities\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"5t7ttf\" data-start=\"2974\" data-end=\"2994\"\u003ePackage Includes\u003c\/h3\u003e\n\u003cul data-start=\"2995\" data-end=\"3052\"\u003e\n\u003cli data-section-id=\"sq3xwv\" data-start=\"2995\" data-end=\"3029\"\u003e1 × MT4 Lathe Alignment Test Bar\u003c\/li\u003e\n\u003cli data-section-id=\"ztt7uu\" data-start=\"3030\" data-end=\"3052\"\u003eProtective Packaging\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"bluefoxtools","offers":[{"title":"Default Title","offer_id":62936661623155,"sku":"BAR MT4 UK","price":49.45,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/3626\/6099\/files\/image-2026-06-10T175156.861_13_2dc30a24-ab0c-4b5c-8ba3-aae3b902ff99.jpg?v=1781162039","url":"https:\/\/bluefoxtoolmart.com\/products\/mt4-lathe-alignment-test-bar-en31-steel","provider":"bluefoxtools","version":"1.0","type":"link"}