7/16" 3 Flute Capscrew Counterbore, High Speed Steel
Model #: CBCS-7/16
Price: $18.65
Description: 7/16" Capscrew Counterbore, 3 Flute, HSS, 1182-0030
- Screw Size: 7/16"
 - Pilot Diameter: 15/32"
 - Cutter Diameter: 11/16"
 - Shank Diameter: 1/2"
 - High speed steel, for socket cap screws.
 
Used to countersink holes for Socket Cap Screws. 
Larger pilots than 2-flute solid counterbores. 
Straight shank.