Drill America 7 Piece Cobalt Drill Bit Set, Plastic Pouch Case, DWDCO Series

Sizes come in plastic pouch case: 1/8", 3/16", 1/4", 5/16", 3/8", 7/16" and 1/2" Cobalt drill bits are are effective in drilling tough, high tensile strength materials Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel 135° split point tip for fast penetration and accurate drilling; For use in hard materials such as inconel, stainless steel and titanium Round shank for use in a wide range of tool holding systems; Jobber (standard) length drill bits