17.00mm Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO BoltsandNuts.com Part Number: assortment-kit-354453 Pieces -

Part Number: assortment-kit-354453 Pieces - Coarse Thread

Note: This replacement kit does not include the original dykes tool or storage box

Part Number: BIT-DWDCO9/16

Part Number: BIT-DWDRSD55/64

Part Number: BIT-KFDO

17.00mm Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO BoltsandNuts.com Part Number: assortment-kit-354453 Pieces -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