5/16" (0.3125) Jobber Length, Cobalt, 135 Degree Proferred® M35 Cobalt Twist Drill Bits

The 5/16" (0.3125) Jobber Length, Cobalt, 135 Degree Proferred® M35 Cobalt Twist Drill Bits is available now from South Coast Fasteners with Fast 3-5 Day Shipping. It is made from Cobalt. Sharp flutes clear chips fast and resist walking on contact. Designed for production and jobsite hole-making. These metal drill bits are part of our Metal Drill Bits line, stocked across industries such as Automotive, Electrical, and Manufacturing.

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