Precision Steel Lathe Alignment Test Bar Mandrel – MT2 Long (280 mm OAL) | EN31 Tool Steel, Hardened & Precision Ground | For Headstock–Tailstock Alignment & Eliminating Taper Turning

The Assorts Precision Steel Lathe Alignment Test Bar Mandrel (MT2 Long, 280 mm OAL) is engineered for machinists who require high accuracy and reliable machine setup. Built from EN31 high-grade tool steel, this precision mandrel is designed to help align the headstock and tailstock of your lathe to eliminate taper turning—especially on longer workpieces. Hardened to 52 ±2 HRC and precision ground to tight tolerances, this test bar delivers exceptional accuracy for machine inspection and calibration. Its 280 mm (11-inch) overall length provides an excellent reference for detecting misalignment, spindle inaccuracies, and geometric errors. Perfect for small and medium lathes, workshops, tool rooms, and industrial engineering applications, this alignment test bar ensures your machine produces straight, parallel, and accurate turning results.

• ✔ MT2 LONG PRECISION ALIGNMENT TEST BAR (280 mm OAL): Designed for accurate headstock and tailstock alignment to eliminate taper turning on medium-sized lathe machines.
• ✔ MADE FROM PREMIUM EN31 TOOL STEEL: Manufactured using high-quality EN31 tool steel for superior strength, stability, and long service life.
• ✔ HARDENED TO 52 ±2 HRC & FULLY PRECISION GROUND: Each mandrel is heat-treated and precision-ground to tight industrial standards for maximum accuracy and repeatability.
• ✔ ELIMINATES TAPER ON LONG WORK-PIECES Helps identify and correct alignment errors between headstock and tailstock, ensuring straight turning on extended jobs.
• ✔ 280 mm / 11" OVERALL LENGTH INCLUDING TAPER Longer length provides enhanced reference accuracy, ideal for alignment, calibration, spindle checks, and machine setup.