Double Cut 1/8" Shaft Carbide burrs are made of heat-treated carbide which can last a long working life, sharp and durable. Fit most small rotary tools, die grinders, for woodworking drilling carving engraving milling porting. This carbide burr is a perfect cutting tool for opening holes or porting heads on ferrous materials. Each double-cut carbide burr's head is crossed, which makes it more suitable for materials with relatively low density, such as wooden, plastic, and aluminum. This carbide burr is an ideal choice for your DIY woodworking, carving, engraving, and polishing. Our double-cut carbide burrs have more cutting edges and will remove material much faster and leave a smoother surface finish.