HSS 3 Flute Solid Pilot Counterbore, Screw Size: 5/16" - 43-502-4
- 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.
- Cobalt provides good wear resistance in hard materials such as high tensile alloys, Inconel and high nickel allows
HSS 3 Flute Solid Pilot Counterbore
