14 pc. Cobalt M42 Drill Bit Set

Bosch Cobalt M42 Metal Drill Bits are engineered with upgraded M42 alloy, containing 8% cobalt. These jobber length hard-core cobalt bits deliver 10 times the life of standard bits and can withstand high-heat applications. The thick web-helix design delivers fast material removal and increased stability. Bits that are 1/8 in. and larger feature a split point while bits 3/16 in. and larger feature a three-flat shank for better bit grip. These cobalt drill bits provide superior performance in stainless steel and can be used to drill cast iron, titanium and other hard or abrasive metals.