27/64" Counterbore (For GC121 Bearing) K381 Use with Pattern blades J2307

Use with Pattern blades J2307

Red plastic handles

Bolsters are oversize

Choose the pilot to fit the shank diameter of your pivot pin

Shapes may vary and some pieces will have "bend" down the length

27/64" Counterbore (For GC121 Bearing) K381 Use with Pattern blades J2307Quality 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". 27 64" counterbore for CG121 bearing system. Choose your preferred pilot shank.