5/16" 3 Flute Capscrew Counterbore, High Speed Steel
Model #: CBCS-5/16
Price: $14.15
Description: 5/16" Capscrew Counterbore, 3 Flute, HSS, 1182-0020
- Screw Size: 5/16"
- Pilot Diameter: 11/32"
- Cutter Diameter: 1/2"
- Shank Diameter: 7/16"
- High speed steel, for socket cap screws.
Used to countersink holes for Socket Cap Screws.
Larger pilots than 2-flute solid counterbores.
Straight shank.