33 Piece Cobalt Drill Bit Set with Reduced 1/2" Shank, 1/2" - 1", D/ACO Contiguous 48 US States Size 3/4"-20

Size 3/4"-20

Part Number: 31CHSNB

Part Number DWRRTSSP1/2

Overall Length: 5-1/8"

Size m18 X 1

33 Piece Cobalt Drill Bit Set with Reduced 1/2" Shank, 1/2" - 1", D/ACO Contiguous 48 US States Size 3/4"-20Product 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