20.50mm Reduced Shank Cobalt Drill Bit 1/2" Shank Quantity:1 Part Number CTC5-530-248

Part Number CTC5-530-248

Part Number SDS4F3412

Step drills have single radial concave flutes to create a perfectly round hole in metal

Size 5/8"-5/16"

Part Number DWTSMR112-19X

20.50mm Reduced Shank Cobalt Drill Bit 1/2" Shank Quantity:1 Part Number CTC5-530-248Product 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