13 Piece Cobalt Jobber Length Drill Bit Set, 1/16" - 1/4", D/ACO Series Shopify Collective The punches have a blunt

The punches have a blunt end and a tapered shaft

Diameter: 9/16"-18

Part Number: BIT-DWDSP25/64

Part Number: 50PTDSPPSS

Part Number: BIT-DWDCON

13 Piece Cobalt Jobber Length Drill Bit Set, 1/16" - 1/4", D/ACO Series Shopify Collective The punches have a bluntProduct 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. These drill bits are jobber (standard) length with a round shank for use in a wide range of tool holding systems. They have a 135 split point tip for fast penetration and