BENCHMARK Cobalt Drill Bit Set - 29 Piece

Benchmark Cobalt drill bits are constructed with premium M35 steel with 5% cobalt and ground from solid steel for maximum performance. Cobalt bits are able to cut through the most hardened metals, including bronze, cast iron and stainless steel.

• Precision machined from solid steel for smooth performance
• 135 degree split point for precision start minimizes bit walking
• Best for use with metal, stainless steel, plastic, and wood
• Size markings on the drill bit shank for easy identification
• Shank type: round/straight (1/16" to 11/64") and milled to prevent slipping (3/16" to 1/2")
• Material: M35 steel with 5% cobalt
• Contains 29 sizes: 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8", 25/64", 13/32", 27/64", 7/16", 29/64", 15/32", 31/64", and 1/2"
• Jobber length
• Comes with a storage case