7/16 X 1/2″ Shank High Speed Steel 2 Flute Solid Cap Screw Counterbore ~ For socket head cap screws. ~ Straight shank. ~ Pilot size is 7/16″. ~ Cutting diameter is 21/32″. ~ Overall length is 4-3/4″. For socket head cap screws. ~~ ~~ Straight shank. Pilot size is 7/16″. Cutting diameter is 21/32″. Overall length is 4-3/4″.








