39/64" Cobalt Drill Bit with 1/2" Reduced Shank, DWDCO BoltsandNuts.com which is measured from the

which is measured from the center of the drive tang to the end of the handle

Part Number: 87C550SHB307Z

Part Number: BIT-DWDRSD11/32

Part Number: 75D1000CABZ/TAPKING

Length: 2-3/8"

39/64" Cobalt Drill Bit with 1/2" Reduced Shank, DWDCO BoltsandNuts.com which is measured from theProduct 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. They have a 135 split point tip for fast penetration and accurate drilling. Compared to a conventional 118 degree tip, these drills wont go "walking" on you. Reduced Shank Drills