Screw Size 5/16″ Cutter Dia. 1/2″ Pilot Dia. 11/32″ Shank Dia. 7/16″

Interstate HSS 3-Flute Solid Pilot Counterbore
Screw Size: 5/16″

5/16″ Compatible High Speed Steel, Solid Pilot Counterbore
11/32″ Pilot Diam, Standard Pilot, Straight Shank, 3 Flutes

Features:

• For socket head cap screws
• High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.

Specifications:

Counterbore Diameter (Inch) 1/2 Fastener Size Compatibility (Inch) 5/16 Counterbore Material High Speed Steel Standard or Oversize Pilot Standard Shank Diameter (Inch) 7/16 Number of Flutes 3 Aircraft-Style No Pilot Diameter (Inch) 11/32 Shank Type Straight Cutting Direction Forward

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