Cobalt M42 drill bit provides upgraded M42 cobalt jobber-length bits designed for durability, high heat resistance and hardened surface for stainless steel, cast iron, titanium, light-gauge metal and aluminum

Enhanced M42 alloy material contains 8% cobalt alloy that delivers 10X life vs. standard bits

High-heat resistant bits withstand high-temperature applications for extended periods of time

Thick web-helix design provides additional stability in tough applications

Surface-hardened tip penetrates tough abrasive materials

Split points on bits 1/8 In. and larger allow for easy starts with no skating, eliminating the need for a center punch

Three-flat shank on bits 3/16 In. and larger deliver better bit grip