6pcs Double Cut Tungsten Rotary Burr Set 6mm Shank Tungsten Files Filing/Engraving/Grinding Bits for Rotary Tools

General description Rotary burr set designed for professionals and DIY enthusiasts, featuring 6 common shapes: dome cylinder, rounded shaft, concave arc with ball point, cone, cylinder, and inverted cone. The double chamber design is more suitable for materials with relatively low density, making it versatile for various applications. Technical specifications Shank size: 6 mm Length: 22.2 mm Thickness: 12.7 mm Material: Alloy steel Machining hardness: HRA85 Compatibility and accessories Compatible with all electric and cordless drills, air tools, grinders, and other rotary tools Usage Can replace a small grinding wheel for most jobs without creating dust pollution Suitable for processing all kinds of metals (including hardened steel) and non-metallic materials (such as marble, bone, jade) Use on drills, presses, lathes, hand-operated or flexible shaft electric or pneumatic tools Other information Safe and reliable, can reduce labor intensity