3/8" Cobalt Taper Length Drill Bit BoltsandNuts.com The bits are made with

The bits are made with tight tolerances for a secure fit in small screws

Part Number DWCT213

Part Number D/ACT1/2

2 Zinc Clear

3/8" Cobalt Taper Length Drill Bit BoltsandNuts.com The bits are made withProduct Description Cobalt drill bits are are effective in drilling tough, high tensile strength materials such as cast iron, inconel, stainless steel and titanium. They display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel. These drill bits are taper length with a round shank for use in a wide range of tool holding systems. They have a 135 split point tip for fast penetration and accurate drilling.