8x Four-slot Auger Twist Drill Bit w/ Hex Shank Hole Opener Saw Woodworking Tool

Four Slot Four Blade Woodworking Drill Open Hole Reaming Bit. Fits for electric drill, bench drill, impact drill. 8 Drill Bit（10/12/14/16/20/22/25/32mm）. High quenching cutting edge, four-groove chip removal, helping to improve work efficiency.

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