2-Piece Deburring Tool Set, External Chamfer Deburring Tool for 3-19mm Diameters, Tungsten Steel Blade, Chamfering Deburring Drill Bit for Copper/Plastic/Brass/Steel

Tungsten Fiber Cutter: Made of extremely hard stainless steel with high strength and hardness for long service life, rust and corrosion resistance. Three tungsten steel cutting blades with strong cutting and repair capabilities allow for clean and efficient burr removal. External Chamfering Tool: Quickly repairs damaged/flattened screws and tightens nuts in place without injuring your hand, no sparks, and no burns; fitting tube size: 1/8" (3mm) to 3/4" (19mm). Very easy to use: The operation is simple; it only takes 1 to 2 minutes to complete the operation using the lowest speed on the drill, then apply light pressure to remove the burr. Function: Effective on stainless steel, hardened steel, mild steel, copper, brass, wood, fiberglass, and hard plastics. Quickly attach the chamfering tool to the chuck, and use the correct rotation speeds and feed rates. Chamfer angle: 50 degrees (approximately). Drill at 0-400 rpm, then apply light pressure to remove the burr. Wide range of applications: Use this chamfering sander to work with various metals such as stainless steel, hardened steel, mild steel, brass, copper, aluminum, fiberglass, and even wood or plastic. The simple design and compact size make it very convenient to use and easy to carry in your toolbox.