63/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO BoltsandNuts.com Length Under Head: 1-1/4"

Length Under Head: 1-1/4"

Part Number: EZ-30870

Part Number: BIT-DULSF5

Part Number: BIT-DWDRSD3/8X13/32

Part Number D/ASTCO9/16

63/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO BoltsandNuts.com Length Under Head: 1-1/4"Product 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