Carbide rotary file bit for surface grinding and deburring1、Multiple Purpose: Rotary file bit is widely used for metalwork, model engineering, wood carving, jewellery making, welding, casting, deburring, grinding and sculpting. 2、Wide Usages: Die grinder bit is suitable for copper, aluminum, steel, marble, wood and other materials, can also be used in machinery, aviation, automobiles, ships, etc. 3、Carbide Material: Good wear and heat resistance, high strength and toughness, remaining basically unchanged even at a temperature of 500℃, and still has high hardness at 1000℃. 4、Matching Use: You can use the durable carbide grinding bit tool with pneumatic or electric drive tools for higher working efficiency, stable performance and convenience. 5、Lightweight and Compact: Heavy duty carbide grinding head comes with simple and sturdy structure, small and light weight, easy and convenient to storage and transport.