These Bosch bits are designed for the professional plumber and electrician who needs to make large, rough holes in wood. Each bit features a 7/16" hex shank for reduced slippage (3" and larger three-flat shank), chip lifters and spurs that can be re-sharpened to maximize bit life, deep cutter gullets prevent stalling and provide smoother drilling and replaceable threaded tip and hex key are included.

Self-Feed Bits

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