Ulisem Electric Grinding Accessories, Rotary Router Bits, 10 Pcs, 3mm

General Description: These electric grinding accessories include 10 high-speed 3mm steel rotary cutters, ideal for engraving, cutting, and polishing various materials such as wood, metal, and marble. Designed for DIY use, these tools offer high work efficiency and a perfect grinding effect. Technical Specifications Material: 4241 High-Speed Steel Hardness: HRC 60 Type: Wood Milling Cutter Shank Diameter: 3 mm Overall Length: 40 mm Item Weight: Approx. 27 g / 0.97 oz Package Size: Approx. 8 * 3 * 1.1 cm / 3.15 * 1.18 * 0.43 in Package Weight: Approx. 30 g / 1.06 oz Recommended Rotation Speed: 6,000 to 440,000 RPM Compatibility and Accessories Suitable for machining cast iron, cast steel, carbon steel, alloy steel, stainless steel, copper, aluminum, and other metals. Can also be used on non-metallic materials such as marble and bone. Usage These rotary milling cutters are convenient to use and allow for various cutting and engraving shapes using an engraving machine or mini drill. It is recommended not to apply more pressure than 4 kg during use to avoid damaging the tool. Other information: Package list: 10 steel rotary cutters.