Description

BT30 Spindle Precision Test Bar BT Spindle Runout Measuring Rod

BT30 spindle test bar parameters:
Precision ground all diameters concentric within 3 microns
Roundness within 0.002mm
Concentricity within 0.003mm
Surface roughness Ra < 0.4
Made from 20CrMnTi hardened to 54 – 56rc
Arbor diameter is 32mm in diameter
Gage length 250mm, other sizes on request
Protective case included
Rear thread for BT30 pull stud is m12 x 1.75
bt30 test arbor model: BT30-D32-250L
Protective case included

This test arbor is suitable for calibrating your machine spindle or tool presetter. Helps reduce down time and costly repairs, identifies potential problems with spindles and bearings.