8 Piece Cobalt Drill Bit Set with Reduced 1/2" Shank, 9/16" - 1", D/ACO Quantity:1 The ends of the extensions

The ends of the extensions have a through hole that requires a retaining pin and ring to securely connect to a socket or another accessory

Part Number: assortment-kit-5141511 Pieces - Coarse Thread

Handles on either side of the rack make it easy to lift out of a drawer

Part Number ANC5-530-383

8 Piece Cobalt Drill Bit Set with Reduced 1/2" Shank, 9/16" - 1", D/ACO Quantity:1 The ends of the extensionsProduct 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 won't go "walking" on you. Reduced Shank