20PCS HSS Rotary Cutting Burr Cutter Rotary Milling Cutter Tools Wood Stone Metal Carving

These burrs are made of high-speed steel for high hardness, abrasion resistance, and heat resistance. The 3mm (1/8") shank router bit set will work with most rotary tools or grinders, including Dremel, making it ideal for woodworking and engraving. Suitable for materials such as wood, plastic, and soft metals like aluminum. Can be used for engraving, beveling, chamfering, grooving, boring, shaping, and hollowing. 20 different shapes and sizes of rotary files in one kit satisfy your various crafting needs. Perfect for all kinds of jobs such as model making and wood carving, popular with jewelers, hobbyists, and crafters, etc. Note: This rotary router bit is mainly used for processing softwoods; the effect on hardwoods such as walnut and Bodhi root is not as good. oak, etc., do not use it on stone or any other hard material.