Quickly repairs damaged bolts and tightens the nuts in place;simplifies the repair process, eliminates the need to replace expensive or hard-to-find hardware.

Simple operation, using the lowest speed on the drill bit, and then slightly applying pressure to remove the burr;convenient to use, save more than 80% time.

This deburring tool bit works by a way of shearing metal layer by layer;safety conscientious design means no cut hands, no sparks, and no burns.

Effective on stainless steel, hardened steel, mild steel, copper, brass, aluminum, fiberglass, wood, plastic.

This deburring chamfer tool is made of CR12MOV steel, high strength and hardness.