21 Pcs Carbide Burr Bits 1/8" Shank Metal Grinding Die Grinder Bits Rotary File Rasp Wood Stone Steel Carving Cutting Engraving Grinder Kit Attachment Rotary Tool Accessories Set Harder Than Diamond

Parts List:20×Grinding Head(6 Pointed, 3 Flat, 11 Round)1×ColletDescription : This grinding bit set , crafted from heat treated tungsten carbide , combines high hardness , toughness , and rust resistance . The double cut design enhances work efficiency . It fits most rotary tools , is compatible with materials like metal , wood , and jade , and includes over 10 shapes such as cylinders , spheres , and cones . With a recommended speed of 6 ,000-60 ,000 RPM , it's suitable for DIY carving , metal grinding , woodworking milling , and more , making it a versatile tool for both professional tasks and home projectsKey Features : This double cut grinding bit set , made of heat treated tungsten carbide , is compatible with multi scene rotary tools and suitable for various materials like metal and wood , balancing professional and DIY applicationsSpecification :Material : Tungsten SteelSize:Long Type: 1.97 inches / 5 cmShort Type: 1.50 inches / 3.8 cmNote:1. There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color2. Please allow slight dimension differences due to manual measurement

• Diverse Applications : Tungsten steel grinding heads are ideal for DIY , carving , polishing , chamfering , slotting , reaming , hollowing , mitering , jewelry making , casting , grinding , etc . Suitable for woodworking and milling soft wood , plastic , and other soft materials
• Complete Set : The tungsten carbide burr set offers various shapes and sizes , including end cut cylinder , ball nose cylinder , ball , oval , ball nose tree , tree , flame , ball nose cone , cone , and inverted cone
• Premium Material : Grinding bits are made of heat treated tungsten carbide , boasting extreme hardness , toughness , durability , heat resistance , and rust resistance . The carbide burr set features a special double cut design , significantly enhancing work efficiency .
• Compatibility with Most Rotary Tools : The 1/8 inch shank rotary burr set fits most rotary tools , widely compatible with wood , iron , carbon steel , alloy steel , stainless steel , copper , aluminum , and non metals like marble and jade
• High Work Efficiency : Recommended speed for carbide burr set : 6,000-60,000 RPM . Max speed : 120,000 RPM (3 mm head diameter) , 60,000 RPM (6 mm head thickness) . Rotation direction : Right hand/clockwise . Use with reverse rotation or oscillation for burrs