
MasterBar BT

Our ST runout master taper is designed to check and align machine spindles.
Similar to DIN 69871 / ISO 7388-1: can be used with the appropriate pull stud for SK / CAT and BT.
Cylindricity ≤2 µm measured on the cylindrical shank. Runout ≤3 µm measured from the cylindrical shank to the taper.
Paper and digital inspection certificate. QR code and serial number. Periodic inspection.