{"title":"Test Bars","description":"","products":[{"product_id":"precision-steel-lathe-alignment-test-bar-mandrel-helps-lining-up-headstock-tailstock-to-eliminate-any-taper-turning-on-long-length-work-piece-double-end-mt2-mt3-oal-450-mm","title":"PRECISION STEEL LATHE ALIGNMENT TEST BAR MANDREL-HELPS LINING-UP HEADSTOCK \u0026 TAILSTOCK TO ELIMINATE ANY TAPER TURNING ON LONG LENGTH WORK-PIECE (DOUBLE END MT2 \u0026 MT3 (OAL 450 MM))","description":"\u003cp\u003e• \u003cstrong data-start=\"2\" data-end=\"32\"\u003eEN8D Alloy Selected Steel:\u003c\/strong\u003e Hardened and precision ground for strength and durability.\u003cbr data-start=\"91\" data-end=\"94\"\u003e• \u003cstrong data-start=\"96\" data-end=\"123\"\u003eAlignment Testing Tool:\u003c\/strong\u003e Suitable for alignment testing between centers as well as in Morse Taper spindles.\u003cbr data-start=\"206\" data-end=\"209\"\u003e• \u003cstrong data-start=\"211\" data-end=\"239\"\u003eHigh Precision Accuracy:\u003c\/strong\u003e Induction hardened and precisely ground within \u003cstrong data-start=\"287\" data-end=\"300\"\u003e5 microns\u003c\/strong\u003e for highly accurate measurements.\u003cbr data-start=\"334\" data-end=\"337\"\u003e• \u003cstrong data-start=\"339\" data-end=\"358\"\u003eOverall Length:\u003c\/strong\u003e 450 mm.\u003cbr data-start=\"366\" data-end=\"369\"\u003e• \u003cstrong data-start=\"371\" data-end=\"391\"\u003eParallel Length:\u003c\/strong\u003e 300 mm.\u003cbr data-start=\"399\" data-end=\"402\"\u003e• \u003cstrong data-start=\"404\" data-end=\"419\"\u003eShank Size:\u003c\/strong\u003e MT2 on one side.\u003cbr data-start=\"436\" data-end=\"439\"\u003e• \u003cstrong data-start=\"441\" data-end=\"456\"\u003eShank Size:\u003c\/strong\u003e MT3 on the other side.\u003c\/p\u003e","brand":"assortsmachinetools","offers":[{"title":"(DOUBLE END MT2 \u0026 MT3 (OAL 450 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industrial accuracy standards\u003cbr\u003e• Overall Length (OAL): 275 mm including taper\u003cbr\u003e\u003c\/p\u003e","brand":"assortsmachinetools","offers":[{"title":"(MT4-regular (Oal 275 MM))","offer_id":47166670602432,"sku":"4H-RKAI-L3I2","price":38.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/0482\/7328\/files\/619qyamnywL._AC_SL1500.jpg?v=1766222114"},{"product_id":"precision-steel-lathe-alignment-test-bar-mandrel-helps-lining-up-headstock-tailstock-to-eliminate-any-taper-turning-on-long-length-work-piece-mt1-regular-oal-160-mm","title":"PRECISION STEEL LATHE ALIGNMENT TEST BAR MANDREL-HELPS LINING-UP HEADSTOCK \u0026 TAILSTOCK TO ELIMINATE ANY TAPER TURNING ON LONG LENGTH WORK-PIECE (MT1-REGULAR (OAL-160 MM))","description":"\u003cp\u003e• Quality EN31 tool steel precision lathe alignment test bar mandrel  \u003cbr\u003e• Helps align headstock and tailstock to eliminate taper turning on long workpieces  \u003cbr\u003e• Hardened up to 52 ±2 HRC for strength and durability  \u003cbr\u003e• Precision ground to high industrial accuracy standards  \u003cbr\u003e• Overall Length (OAL): 160 mm including taper  \u003cbr\u003e• Suitable for smaller lathes and precision machines  \u003cbr\u003e\u003c\/p\u003e","brand":"assortsmachinetools","offers":[{"title":"(MT1-REGULAR (OAL-160 MM))","offer_id":47166671192256,"sku":"MM-0291-1S6B","price":11.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/0482\/7328\/files\/81JD_8Rjj6L._AC_SX679.jpg?v=1766222221"},{"product_id":"precision-steel-lathe-alignment-test-bar-mandrel-helps-lining-up-headstock-tailstock-to-eliminate-any-taper-turning-on-long-length-work-piece-mt2-long-oal-280-mm","title":"Precision Steel Lathe Alignment Test Bar Mandrel-helps Lining-up Headstock \u0026 Tailstock To Eliminate Any Taper Turning On Long Length Work-piece (MT2-long (Oal 280 MM))","description":"\u003cp\u003e• Assorts Precision Steel Lathe Alignment Test Bar Mandrel – MT2 Long Type\u003cbr\u003e• Designed for high-accuracy lathe alignment and machine setup\u003cbr\u003e• Made from EN31 premium high-grade tool steel\u003cbr\u003e• Helps align headstock and tailstock to eliminate taper turning\u003cbr\u003e• Ideal for checking spindle axis accuracy and machine geometry\u003cbr\u003e• Hardened to 52 ±2 HRC for durability and stability\u003cbr\u003e• Precision ground to tight tolerances for accurate reference\u003cbr\u003e• Overall Length (OAL): 280 mm \/ 11 inches\u003cbr\u003e• Suitable for small and medium lathes\u003cbr\u003e• Perfect for workshops, tool rooms, production units, and engineering applications\u003cbr\u003e• Ensures straight, parallel, and accurate turning results\u003cbr\u003e\u003c\/p\u003e","brand":"assortsmachinetools","offers":[{"title":"(MT2-long (Oal 280 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excellent hardness, rigidity, and long-term dimensional stability\u003cbr\u003e• Hardened to 52 ±2 HRC and precision ground to tight tolerances\u003cbr\u003e• Ensures accurate reference surfaces for machine alignment and calibration\u003cbr\u003e• Helps eliminate taper turning on long workpieces\u003cbr\u003e• Assists in correcting headstock–tailstock alignment and spindle axis errors\u003cbr\u003e• Ideal for workshops, tool rooms, production units, and machine maintenance professionals\u003cbr\u003e\u003c\/p\u003e","brand":"assortsmachinetools","offers":[{"title":"(MT3-regular (OAL 225 mm))","offer_id":47166671388864,"sku":"O4-HATZ-JLQK","price":29.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/0482\/7328\/files\/71_1RRsoOZL._AC_SL1500_ee36e6aa-454e-4753-9da6-1b97538c9028.jpg?v=1766222706"},{"product_id":"precision-lathe-mandrel-test-bar-2mt-alloy-steel-en31-for-head-tailstock-alignment","title":"Precision Lathe Mandrel Test Bar 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data-start=\"287\" data-end=\"304\"\u003eApplications:\u003c\/strong\u003e\u003cbr data-start=\"304\" data-end=\"307\"\u003e  - Headstock alignment checking\u003cbr data-start=\"349\" data-end=\"352\"\u003e  - Tailstock accuracy inspection\u003cbr data-start=\"395\" data-end=\"398\"\u003e  - Spindle taper error detection\u003cbr data-start=\"441\" data-end=\"444\"\u003e• \u003cstrong data-start=\"446\" data-end=\"464\"\u003eCompatibility:\u003c\/strong\u003e Suitable for machines with 2MT spindle\u003cbr data-start=\"503\" data-end=\"506\"\u003e• \u003cstrong data-start=\"508\" data-end=\"527\"\u003eOverall Length:\u003c\/strong\u003e 180 mm\u003cbr data-start=\"534\" data-end=\"537\"\u003e• \u003cstrong data-start=\"539\" data-end=\"557\"\u003eBuild Quality:\u003c\/strong\u003e Rigid, stable \u0026amp; highly durable\u003cbr data-start=\"588\" data-end=\"591\"\u003e• \u003cstrong data-start=\"593\" data-end=\"607\"\u003eIdeal For:\u003c\/strong\u003e Workshops, precision engineering, and manufacturing units\u003c\/p\u003e","brand":"assortsmachinetools","offers":[{"title":"Shank : 2 MT","offer_id":47166685774016,"sku":"20-WWDO-IUCX-1","price":18.99,"currency_code":"USD","in_stock":false},{"title":"OAL : 180 mm","offer_id":47166685806784,"sku":"20-WWDO-IUCX-2","price":18.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/0482\/7328\/files\/51gWjo8-1vL._AC_SL1500.jpg?v=1766223073"},{"product_id":"test-bar-mt1-shank-precision-lathe-mandrel-alloy-steel-en31-for-head-tailstock-alignment","title":"Test Bar MT1 Shank Precision Lathe Mandrel- Alloy Steel En31-For Head \u0026 Tailstock Alignment","description":"\u003cp\u003e• Made from high quality Alloy Tool Steel  \u003cbr\u003e• Hardened and Precision Ground  \u003cbr\u003e• Hardened to 62 HRC ±2 HRC  \u003cbr\u003e• Tested for Concentricity \u0026amp; Parallelism within 0.0001\"  \u003cbr\u003e• Shank: MT1  \u003cbr\u003e• Overall Length (OAL): 160 mm\u003cbr\u003e\u003c\/p\u003e","brand":"assortsmachinetools","offers":[{"title":"1 MT","offer_id":47166691475648,"sku":"KR-TATL-0GRE-1","price":25.09,"currency_code":"USD","in_stock":false},{"title":"OAL : 160 mm (EN31)","offer_id":47166691508416,"sku":"KR-TATL-0GRE-2","price":25.09,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/0482\/7328\/files\/81lZ5nefNTL._AC_SL1500.jpg?v=1766223287"},{"product_id":"assorts-en31-alloy-steel-5mt-parallel-lathe-alignment-test-bar-mandrel-morse-taper-mt5-ovl-320mm-high-precision-tool-for-accurate-machine-alignment-and-calibration","title":"ASSORTS EN31 Alloy Steel 5MT Parallel Lathe Alignment Test Bar Mandrel (Morse Taper MT5) (OVL-320mm) - High-Precision Tool for Accurate Machine Alignment and Calibration","description":"\u003cp\u003e• Made from EN31 premium alloy tool steel – strong, durable, and reliable  \u003cbr\u003e• Designed for precise lathe alignment and calibration tasks  \u003cbr\u003e• Length: 320 mm (Overall Length – OVL 320MM)  \u003cbr\u003e• Morse Taper Shank: MT5 – ensures secure and stable machine fitting  \u003cbr\u003e• Precision engineered for highly accurate setup results  \u003cbr\u003e• Excellent for checking alignment between lathe centers and MT spindles  \u003cbr\u003e• Accuracy up to 1 micron with extremely low deviation  \u003cbr\u003e• Maximum run-out: 0.0001 inch – ensures superior machining accuracy  \u003cbr\u003e• Helps eliminate taper turning errors on long jobs  \u003cbr\u003e• Ideal for professional workshops, tool rooms, CNC shops, and precision engineering  \u003cbr\u003e• Robust construction ensures long service life and consistent performance  \u003cbr\u003e\u003c\/p\u003e","brand":"assortsmachinetools","offers":[{"title":"(MT5","offer_id":47166691573952,"sku":"5MT-TEST-BAR-320","price":115.99,"currency_code":"USD","in_stock":false},{"title":"OAL-320mm)","offer_id":47166691606720,"sku":"5MT-TEST-BAR-321","price":115.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/0482\/7328\/files\/41NI3BgGZuL._AC_SL1500.jpg?v=1766223472"},{"product_id":"assorts-5mt-parallel-lathe-alignment-test-bar-mandrel-morse-taper-mt5-ovl-440mm-high-quality-alloy-steel-en31-for-accurate-machine-alignment","title":"ASSORTS 5MT Parallel Lathe Alignment Test Bar Mandrel (Morse Taper MT5) (OVL-440mm) - High-quality alloy Steel EN31 for Accurate Machine Alignment","description":"\u003cp\u003e• Product: Assorts Precision Steel Lathe Alignment Test Bar Mandrel (Double-Ended MT1–MT0)\u003cbr\u003e• Designed for: Small lathes \u0026amp; precision machines\u003cbr\u003e• Dual Taper design: MT1 on one side \u0026amp; MT0 on the other side\u003cbr\u003e• Versatility: Use any taper depending on spindle or tailstock requirement\u003cbr\u003e• material: Premium EN31 Tool Steel\u003cbr\u003e• Hardness: Hardened to 52 ±2 HRC\u003cbr\u003e• finish: Precision ground to tight tolerances\u003cbr\u003e• Accuracy: Provides highly accurate reference surfaces for machine alignment\u003cbr\u003e• Purpose: Helps eliminate taper turning on long workpieces\u003cbr\u003e• Uses:\u003cbr\u003e  – Headstock \u0026amp; tailstock alignment verification\u003cbr\u003e  – Spindle axis error checking\u003cbr\u003e  – Machine geometry correction\u003cbr\u003e• Applications:\u003cbr\u003e  – Workshops\u003cbr\u003e  – Tool rooms\u003cbr\u003e  – Production units\u003cbr\u003e  – Machine maintenance departments\u003cbr\u003e• Benefit: Ensures straight, parallel \u0026amp; precise turning accuracy\u003cbr\u003e\u003c\/p\u003e","brand":"assortsmachinetools","offers":[{"title":"(MT5","offer_id":47166660247744,"sku":"5MT-TEST-BAR-442","price":118.99,"currency_code":"USD","in_stock":false},{"title":"OAL-440mm)","offer_id":47166660280512,"sku":"5MT-TEST-BAR-443","price":118.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/0482\/7328\/files\/71_1RRsoOZL._AC_SL1500_ba812f7a-3430-4924-a97e-b01c8eeabeed.jpg?v=1766223771"},{"product_id":"iso-tapers-alignment-mandrel-test-bars-for-vertical-milling-center-vmc-machine","title":"ISO Tapers Alignment Mandrel Test Bars For Vertical Milling Center VMC Machine","description":"\u003cp\u003e• ISO 30 Taper Alignment Mandrel Test Bar designed for professional spindle alignment in VMC and CNC machines  \u003cbr\u003e• Manufactured from premium tool steel for strength, rigidity, and long-term durability  \u003cbr\u003e• Fully hardened and precision ground for maximum accuracy and performance  \u003cbr\u003e• Air-gauge checked to under 2 microns to ensure exceptional concentricity and straightness  \u003cbr\u003e• Ideal for spindle runout testing, taper checking, and machine calibration  \u003cbr\u003e• Compatible with ISO 30 taper VMC and CNC spindles  \u003cbr\u003e• Overall Length: 200 mm – provides excellent reach for precise alignment work  \u003cbr\u003e• Suitable for machine shops, tool rooms, service engineers, and precision engineering applications  \u003cbr\u003e\u003c\/p\u003e","brand":"assortsmachinetools","offers":[{"title":"Default Title","offer_id":47166660804800,"sku":"ALTB-ISO-Parent","price":79.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/0482\/7328\/files\/51asiqJlqKL._AC_SL1500.jpg?v=1766223950"},{"product_id":"iso-tapers-alignment-mandrel-test-bars-for-vertical-milling-center-vmc-machine-1","title":"ISO Tapers Alignment Mandrel Test Bars For Vertical Milling Center VMC Machine","description":"\u003cp\u003e• ISO 30 Taper Alignment Mandrel Test Bar designed for professional spindle alignment in VMC and CNC machines  \u003cbr\u003e• Manufactured from premium tool steel for strength, rigidity, and long-term durability  \u003cbr\u003e• Fully hardened and precision ground for maximum accuracy and performance  \u003cbr\u003e• Air-gauge checked to under 2 microns to ensure exceptional concentricity and straightness  \u003cbr\u003e• Ideal for spindle runout testing, taper checking, and machine calibration  \u003cbr\u003e• Compatible with ISO 30 taper VMC and CNC spindles  \u003cbr\u003e• Overall Length: 200 mm – provides excellent reach for precise alignment work  \u003cbr\u003e• Suitable for machine shops, tool rooms, service engineers, and precision engineering applications  \u003cbr\u003e\u003c\/p\u003e","brand":"assortsmachinetools","offers":[{"title":"Default Title","offer_id":47166668538048,"sku":"ALTB-ISO30Taper","price":79.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/0482\/7328\/files\/51asiqJlqKL._AC_SL1500__1.jpg?v=1766224339"},{"product_id":"iso-tapers-alignment-mandrel-test-bars-for-vertical-milling-center-vmc-machine-2","title":"ISO Tapers Alignment Mandrel Test Bars For Vertical Milling Center VMC Machine","description":"\u003cp\u003e• Assorts ISO 40 Taper Alignment Mandrel Test Bar  \u003cbr\u003e• Designed for precision alignment of VMC and CNC spindles  \u003cbr\u003e• Manufactured from premium high-quality tool steel  \u003cbr\u003e• Fully hardened and precision ground for maximum rigidity and durability  \u003cbr\u003e• Air-gauge verified to under 2 microns accuracy  \u003cbr\u003e• Ensures excellent concentricity and straightness  \u003cbr\u003e• ISO 40 taper – compatible with a wide range of VMC machines  \u003cbr\u003e• Ideal for spindle alignment, calibration, and runout inspection  \u003cbr\u003e• Perfect for taper verification and machine setup accuracy  \u003cbr\u003e• Overall Length: 200 mm  \u003cbr\u003e• Essential for workshops, service engineers, tool rooms, and precision machining environments\u003cbr\u003e\u003c\/p\u003e","brand":"assortsmachinetools","offers":[{"title":"Default Title","offer_id":47166678335680,"sku":"ALTB-ISO40Taper-1","price":89.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/0482\/7328\/files\/51RmqVCg8wL._AC_SL1500.jpg?v=1766224521"},{"product_id":"assorts-precision-steel-lathe-alignment-test-bar-mandrel-double-ended-mt1-mt0-shank-helps-lining-up-headstock-tailstock-to-eliminate-any-taper-turning-on-long-length-work-piece-1","title":"Assorts Precision Steel Lathe Alignment Test Bar Mandrel Double Ended Mt1-mt0 Shank-Helps Lining-up Headstock \u0026 Tailstock to Eliminate Any Taper Turning On Long Length Work-Piece.","description":"\u003cp\u003e• \u003cstrong data-start=\"2\" data-end=\"85\"\u003eAssorts Precision Steel Lathe Alignment Test Bar Mandrel (Double-Ended MT1–MT0)\u003c\/strong\u003e\u003cbr data-start=\"85\" data-end=\"88\"\u003e• Designed for \u003cstrong data-start=\"103\" data-end=\"130\"\u003ehigh-accuracy alignment\u003c\/strong\u003e on small lathes and precision machines\u003cbr data-start=\"169\" data-end=\"172\"\u003e• \u003cstrong data-start=\"174\" data-end=\"195\"\u003eDual-taper design\u003c\/strong\u003e – MT1 on one end and MT0 on the other for maximum versatility\u003cbr data-start=\"257\" data-end=\"260\"\u003e• Made from \u003cstrong data-start=\"272\" data-end=\"299\"\u003epremium EN31 tool steel\u003c\/strong\u003e for superior strength and durability\u003cbr data-start=\"336\" data-end=\"339\"\u003e• \u003cstrong data-start=\"341\" data-end=\"366\"\u003eHardened to 52 ±2 HRC\u003c\/strong\u003e for exceptional wear resistance and stability\u003cbr data-start=\"412\" data-end=\"415\"\u003e• \u003cstrong data-start=\"417\" data-end=\"437\"\u003ePrecision ground\u003c\/strong\u003e to tight tolerances for highly accurate reference surfaces\u003cbr data-start=\"496\" data-end=\"499\"\u003e• Helps \u003cstrong data-start=\"507\" data-end=\"534\"\u003eeliminate taper turning\u003c\/strong\u003e on long workpieces\u003cbr data-start=\"553\" data-end=\"556\"\u003e• Ideal for \u003cstrong data-start=\"568\" data-end=\"625\"\u003echecking and correcting headstock–tailstock alignment\u003c\/strong\u003e\u003cbr data-start=\"625\" data-end=\"628\"\u003e• Useful for \u003cstrong data-start=\"641\" data-end=\"701\"\u003edetecting spindle axis errors and geometric inaccuracies\u003c\/strong\u003e\u003cbr data-start=\"701\" data-end=\"704\"\u003e• Essential tool for \u003cstrong data-start=\"725\" data-end=\"795\" data-is-last-node=\"\"\u003eworkshops, tool rooms, production units, and maintenance engineers\u003c\/strong\u003e\u003c\/p\u003e","brand":"assortsmachinetools","offers":[{"title":"DOUBLE 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