Key Specifications/Special Features:
HSS,with cylindrical shank and 3 flutes.
CBS-deep-ground;
Countersinks are deep-ground in the CBN Flutes.
The 90° cone corresponds with the shape of the counter-sink screw or bolt head.
Also available in 60°,75°,and 120° versions.
Radial back-off clearance makes it possible to work with our irattlingi,and also removes chipos and swarf perfectly.
| Size | Shank Diameter | Overall Length |
| 1/4" | 3/16" | 1-1/2" |
| 3/8" | 1/4" | 1-3/4" |
| 1/2" | 3/8" | 2" |
| 5/8" | 3/8" | 2-1/4" |
| 3/4" | 1/2" | 2-5/8" |
1" | 1/2" | 2-3/4" |
1-1/4" | 1/2" | 3-1/4" |
| 1-1/2" | 1/2" | 3-1/4" |
| 2" | 1/2" | 3-1/2" |
