Chatter-Free Deburring / Countersink / Counterbore The zero flute design is a single hole drilled through the head of the cutter, which makes it virtually chatter-free. And since it has no flutes to shift inside the hole, the cutter always stays on center. Features: - 5 pc 60� ANGLE HSS ZERO-FLUTE #0-#4 COUNTERSINK & DEBURRING TOOL
| Size | Diameter Range | ShankSize |
| #0 | 1/8" - 15/64" | 1/4" (Double End) |
| #1 | 3/16" - 13/32" | 1/4" |
| #2 | 5/16" - 17/32" | 1/4" |
| #3 | 7/16" - 25/32" | 1/2" |
| #4 | 11/16" - 1-3/32" | 1/2" |