PBA 6" 4 Degree Adaptor Plate

Mounting plates are precision machined to suit the spindle nose of your machine. For maximum accuracy of "SETRITE" mounting plates, mount plate on machine spindle nose, place a dial indicator on the chuck side face of the adapter close to the mounting holes, rotate the adapter and if the total indicator reading (TIR) exceeds .0005" take a light truing cut across the face of the mounting plate.