20mm Metal Deburring External Chamfer Tool

1. Excellent for fixing broken bolts and fasteners. Hard steel can benefit from using lubricating oil to enhance tool efficiency. 2. This external deburring chamfer operates by shearing metal in layers. Use the drill bit at the lowest speed and apply gentle pressure to eliminate the burr. The safety-focused design ensures no cuts, sparks, or burns. 3. It works well on hardened steel, mild steel, copper, brass, fiberglass, and tough plastic.