Set of 5 rotary drill bits with 1/4" shank, 6mm, wood chisel, rotary knife, embossing, polishing, engraving head, power tools

Material: Tungsten carbide, shank diameter: 6 mm, length: approximately 52-60 mm, includes 5 popular shapes: sphere, oval, cylinder, large shaft, small shaft. High production efficiency; processing efficiency is several times higher than a file, almost 10 times higher than a small wheel shaft. Made of hardened carbon steel for longer service life and efficient cutting. Superior product, high-quality manufacturing, can process a variety of high-precision mold cavities. Suitable for carving, engraving, chamfering, etching, grooving, and boring soft materials such as softwood, plastic, rubber, etc. 6.35 mm shank suitable for all electric and cordless drills. Easy to use, safe and reliable, can reduce labor intensity and improve the working environment.