Zero Flute Countersinks
Chatterless finish, single cutting edge for fast stock removal, free-cutting, easily sharpened. Goes forward and reverse.
Available in 6" Extension
Available as round shank and 1/4" Hex.
See charts below
Round Shank
| Size | Diam. of Cut | Shank Diam. | Overall Length | Body Diam. |
|---|---|---|---|---|
| 3 | .073 to 15/64 | 1/4 | 1-3/4 | 1/4 |
| 3 | 1/2 to 1-15/32 | 1/2 | 3-1/2 | 1-1/2 |
| 5 | No. 4, 5 | 1/4 | 1-1/2 | 17/64 |
| 6 | No. 6 | 19/64 | 1-1/2 | 17/64 |
| 8 | No. 8 | 1/4 | 1-5/8 | 11/32 |
| 10 | No. 10 | 1/4 | 1-5/8 | 25/64 |
| 18 | 3/16 to 17/32 | 1/4 | 1-7/8 | 9/16 |
| 26 | .307 to 25/32 | 1/2 | 2-5/8 | 13/16 |
| 26 | .307 to 25/32 | 1/4 | 2-1/16 | 13/16 |
| 36 | .431 to 7/8 | 1/2 | 2-13/16 | 1-1/8 |
| 48 | 1/2 to 1-15/32 | 1/2 | 3-1/2 | 1-1/2 |
1/4" Hex Shank
| Size | Screw Size | Shank Diam. | Overall Length | Body Diam. |
|---|---|---|---|---|
| 5S | No. 4, 5 | 1/4 | 1-1/2 | 17/64 |
| 6S | No. 6 | 1/4 | 1-1/2 | 19/64 |
| X8S | No. 8 | 1/4 | 1-5/8 | 11/32 |
| 10S | No. 10 | 1/4 | 1-5/8 | 25/64 |
| 3SH | No. 2,3,4 | 1/4 | 1-27/32 | 1/4 |
| -8SH | No. 5,6,8 | 1/4 | 2 | 11/32 |
| 18SH | No. 10,12,14 | 1/4 | 2-5/16 | 9/16 |