17/32" Cobalt Taper Length Drill Bit Quantity:1 The socket is made from

The socket is made from 6140 chromium-vanadium (Cr-V) steel that's heat-treated to 40

Overall Length: 4-5/16"

Internal Diameter: 5/16"-24

Part Number DWRR31/64

Part Number DWC5MM-4FDE

17/32" Cobalt Taper Length Drill Bit Quantity:1 The socket is made fromProduct 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 taper 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 accurate drilling.