Bosch SF4621 4 5/8 In. Self Feed Drill Bit

7/16 In. hex shank for reduced slippage (3 In. and larger three-flat shank) Chip lifters and spurs can be re-sharpened to maximize bit life Deep cutter gullets prevent stalling and provide smoother drilling International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions., Weight: 0.82 Pounds, Manufacturer: Bosch