M-42 Cobalt Chatterless Countersink Set, 8 pc., 90° - 70-770-3
- Use with portable drills and drill presses on ferrous and non-ferrous materials
- Complete with wooden storage block
M-42 Cobalt
- Provides better wear resistance in harness and toughness compared to HSS.
- Use in high-tensile alloys, titanium, cast iron, Inconel and high nickel stainless steel.
Part Number | Degree | Number of Pieces | Size Range |
70-770-3 | 90° | 8 | 1/4, 5/16, 3/8, 1/2, 5/8, 3/4, 7/8, 1" |
Chatterless Countersink Set