15 Piece Cobalt Quick Change Hex Shank Drill Bit Set, 1/16in - 1/2in, Plastic Case

15 Piece Set in Plasitc CaseDesigned for use in hand held and impact drillsm35 5% cobalt drills are are effective in drilling tough, high tensile strength materialsFor use in a wide range of materials in the iron and steel families such aluminum, iron, stainless steel and other hard metal drillingDisplay high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed135Deg split point tip fast penetration and accurate drillingJobber standard length drill bit1/4in Hex Shank can be used in quick change impact driversThe length between the chucking slot on the shank to the end of the shank is standard 3/8in