#8 3 Flute Capscrew Counterbore, High Speed Steel
Model #: CBCS-8
Price: $9.10
Description: #8 Capscrew Counterbore, 3 Flute, HSS, 1182-0005
- Screw Size: #8
 - Pilot Diameter: 11/64"
 - Cutter Diameter: 19/64"
 - Shank Diameter: 1/4"
 - High speed steel, for socket cap screws.
 
Used to countersink holes for Socket Cap Screws. 
Larger pilots than 2-flute solid counterbores. 
Straight shank.