| Deburring external chamfering tool-The external deburring tool can quickly grind the tip of a compressed or rusted screw to the tapered edge, so that the nut can be quickly tightened without replacing expensive and hard-to-find fasteners. This can save a lot of money when dealing with fixing screws that cannot be removed. Bolt tube size: 1/8 inch bolt (.164) to 5/8 inch (.750) / (4 mm -17 mm). Suitable for stainless steel, hardened steel, Hegang, copper, brass, aluminum, fiberglass, wood, plastic, whether threaded or not. It can also be used as a corkscrew. Super-hard steel, made of extremely hard stainless steel with three shear teeth, durable, practical, high-strength, comfortable to use,… | |