Verify spindle accuracy, test radial runout, and calibrate machine tool alignment with Checking Mandrels HSK Tool Holders. Precision-ground to ultra-tight tolerances for CNC machining centers utilizing DIN 69893 HSK spindle connections, these test arbors provide an exact reference cylinder for quality control, routine maintenance, and machine installation. Featuring dual-face HSK contact and high-grade hardened steel construction, they enable maintenance engineers and quality inspectors to measure concentricity, spindle taper wear, and axial alignment with sub-micron precision.
