Bosch Fractional Jobber Drill Bit - Black Oxide Coated High-Speed Steel - 1 Per Pack - 4 1/2-in L x 5/16-in Dia - Each

Accomplish your drilling projects with the durable Bosch metal drill bit. It features a speed-helix construction for accelerated drilling. The black-oxide coating helps minimize friction and corrosion for extended bit life. Use this reduced-shank drill bit on wood, fiberglass, metal and other materials.
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