15 Piece Cobalt Quick Change Hex Shank Drill Bit Set 1/16" - 1/2" Plastic Case COHEX15-SET

COHEX Quick Change Cobalt 15 Piece Drill Bit Set contains sizes 1/16" - 1/2". These Drill Bits are designed for use in hand held and impact drills. Cobalt Drill Bits are effective in drilling tough, high tensile strength materials and display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed. These drill bits have a 135° split point tip for fast penetration and accurate drilling and a 1/4" Hex Shank that can be used in quick change impact drivers. They are gold oxide surface treated. The length between the chucking slot on the shank to the end of the shank is standard 3/8".