Interstate M42 Cobalt 3-Flute Solid Pilot Counterbore, Screw Size: 5/16″

5/16″ Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore
4-1/2″ Overall Length, Bright Finish, 11/32″ Pilot Diam, Straight Shank, 3 Flutes

Features:

• For socket head cap screws
• Cobalt provides good wear resistance in hard materials such as high tensile alloys, Inconel and high nickel alloys

Specifications:

Fastener Type Compatibility Socket-Head Cap Screw Counterbore Diameter (Inch) 1/2 Fastener Size Compatibility (Inch) 5/16 Counterbore Material Cobalt Finish/Coating Bright Shank Diameter (Inch) 7/16 Number of Flutes 3 Pilot Diameter (Inch) 11/32 Shank Type Straight Overall Length (Inch) 4-1/2 Cutting Direction Forward

See all Interstate HSS & Cobalt 3-Flute Solid Pilot Counterbores