21.50mm Reduced Shank Cobalt Drill Bit 1/2" Shank BoltsandNuts.com Size 3/4"-11-1/2

Size 3/4"-11-1/2

Size: 35/64"

Part Number: 25C250EBSS

Part Number MMO3/16-4FSE-LONG

Black Phosphate Finish

21.50mm Reduced Shank Cobalt Drill Bit 1/2" Shank BoltsandNuts.com Size 3/4"-11-1/2Product 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