About this item Deburring tool adopts a detachable design with a quick release hex shanks. Chamfer tool has 3 carbide blades with high-strength hardness, higher cutting efficiency and wear resistance. Deburring tool for metal has hex shank diameter (1/4”) and working diameter range 3/4″ (6mm -19mm). Connect the bolt thread repair to the end of the electric drill, apply light pressure to make the drill run at a low speed and remove burrs easily. Deburring external chamfer tool can be used effectively no matter it with or without screw threads, providing them with perfect and precise deburring. › See more product details