SPI, M-42 Cobalt Chatterless Countersink Set, 8 pc., 82 – 70-768-7

• 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 70-768-7 82 8 1/4, 5/16, 3/8, 1/2, 5/8, 3/4, 7/8, 1″

See all HSS & Cobalt Chatterless Countersink Sets