{"product_id":"mt3-lathe-alignment-test-bar-m12-tapped-335mm","title":"MT3 Lathe Alignment Test Bar M12 Tapped | 335mm Precision Test Mandrel | EN31 Steel  | UK STOCK","description":"\u003ch3\u003e\u003cspan\u003ePrecision MT3 Lathe Alignment Test Bar with M12 Tapped End\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBLUEFOX MT3 Lathe Alignment Test Bar\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a high-precision alignment tool designed for checking and correcting headstock-to-tailstock alignment on lathes. Manufactured from premium \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eEN31 alloy steel\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, hardened and precision ground for exceptional accuracy, this test mandrel helps eliminate unwanted taper when turning long workpieces.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFeaturing a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMorse Taper 3 (MT3) shank\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and an \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eM12 tapped end\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the test bar can be used for alignment testing between centres as well as direct spindle inspection. Precision ground to a maximum run-out of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0.0002\"\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, it provides reliable and repeatable measurements for workshop, toolroom, maintenance, and machine rebuilding applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIdeal for machinists, engineers, model engineers, and maintenance professionals seeking accurate lathe setup and alignment.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePrecision MT3 alignment test bar\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eM12 tapped end for mounting and setup applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eManufactured from premium EN31 alloy steel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHardened and precision ground construction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAssists in tailstock alignment correction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEliminates taper when turning long workpieces\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for spindle and centre alignment checks\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExtremely low run-out tolerance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProfessional workshop quality\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIdeal for machine setup and inspection\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShank Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMorse Taper 3 (MT3)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOverall Length\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e335mm (13-3\/16\")\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEnd Thread\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eM12\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEN31 Alloy Steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAccuracy\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1–5 Micron\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum Run-Out\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.0002\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConstruction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHardened \u0026amp; Ground\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eTailstock alignment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHeadstock alignment checks\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSpindle inspection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLathe setup and calibration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMachine rebuilding\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eToolroom inspection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision engineering\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModel engineering\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWorkshop maintenance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMachine accuracy verification\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eBenefits\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch4\u003e\u003cspan\u003eImproves Turning Accuracy\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHelps eliminate taper caused by misaligned tailstocks.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003ePrecision Ground Construction\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eEnsures highly accurate and repeatable measurements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eProfessional Inspection Tool\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSuitable for machine setup, servicing, and calibration work.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eMulti-Purpose Use\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCan be used between centres or directly in Morse taper spindles.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eDurable EN31 Steel\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eProvides long service life and resistance to wear.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eTypical Uses\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eChecking tailstock offset\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVerifying spindle alignment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMachine acceptance testing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWorkshop maintenance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision turning setup\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLathe calibration procedures\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003ePackage Includes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1 × MT3 Lathe Alignment Test Bar\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eM12 Tapped End\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision Ground Finish\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"bluefoxtools","offers":[{"title":"Default Title","offer_id":63014996541811,"sku":"BAR MT3 TAPPED","price":33.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/3626\/6099\/files\/image-2026-06-16T120246.975-2026-06-23T173822.401.jpg?v=1782216535","url":"https:\/\/bluefoxtoolmart.com\/products\/mt3-lathe-alignment-test-bar-m12-tapped-335mm","provider":"bluefoxtools","version":"1.0","type":"link"}