1/2" Cobalt Jobber Length Drill Bit, D/ACO Series BoltsandNuts.com This set includes 1/4 inch

This set includes 1/4 inch drive 3/4

Its spring-loaded detent ball securely latches onto sockets

The included 18 gauge stands are designed to guide each key into its slot

Part Number: M8C12ASBA2

146 Pieces

1/2" Cobalt Jobber Length Drill Bit, D/ACO Series BoltsandNuts.com This set includes 1/4 inchProduct 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 jobber (standard) 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