7/16" Cobalt Taper Length Drill Bit Quantity:1 Length Under Head: 7-1/2"

Length Under Head: 7-1/2"

Surface treated with abrasion-resistant black oxide

Part Number T/A54728

6 mm • 2-pc

Part Number DWRRSP21/32

7/16" Cobalt Taper Length Drill Bit Quantity:1 Length Under Head: 7-1/2"Product 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.