CLOSED Saturday, May 8 for system upgrades. Order online for processing Monday, May 10.


Your Cart is Empty


RA355 23/64" Counterbore (For GC101 Bearing)

Quality high speed counterbores used to set your GTC bearing system. Select your counterbore for your chosen size ( outside diameter of the bearing). Then choose the pilot to fit the shank diameter of your pivot pin. Proper cutting depths are 0.50" for all bearings except GC102 with a cutting depth of 0.66".

23/64" counterbore for CG101 bearing system.

Choose your preferred pilot / shank.