29 Piece Cobalt Jobber Length Drill Bit Set, 1/16" - 1/2", Round Bit Cooler Case, DWDCO Series BoltsandNuts.com Part Number: 75C475WASS

Part Number: 75C475WASS

The bits are made from hardened 8660 steel (HRC 55–58) and finished with a zinc phosphate conversion coating that provides lasting corrosion resistance without altering dimensions or flaking

Length 12-3/4"

Number of Compartments: 8

Part Number COHEX27/64

29 Piece Cobalt Jobber Length Drill Bit Set, 1/16" - 1/2", Round Bit Cooler Case, DWDCO Series BoltsandNuts.com Part Number: 75C475WASSProduct 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