General description The 2Pcs Deburrer External Chamfer Deburring Tool is designed for efficient burr removal and chamfering on a variety of materials including copper, plastic, brass, and steel. Made from high-strength tungsten steel, this tool ensures durability and long service life while providing clean and effective results. Technical specifications Material: Tungsten steel Fitting tube size: 1/8'' (3mm) to 3/4'' (19mm) Chamfer angle: Approximately 50 degrees Drill speed: 0-400 rpm Usage Effective on various materials: stainless steel, hardened steel, mild steel, copper, brass, aluminum, fiberglass, wood, and hard plastics. Quickly repair damaged or flattened screws and tighten nuts without injury. Simple operation: Takes only 1-2 minutes to complete the task using the lowest drill speed with light pressure. Other information