ROOCBIT 1/4' Shank Rotary Burr Cutting Diameter Tungsten Carbide Wood Carving File Rasp Drill Bits: Industrial & Scientific. Buy ROOCBIT 1/4" Shank Rotary Burr Cutting Diameter Tungsten Carbide Wood Carving File Rasp Drill Bits: Cutting Burrs - ✓ FREE DELIVERY possible on eligible purchases. Tungsten Carbide teeth size: 2.5-3.5mm, Suitable for Various materials rapid removal and shaping. . Tungsten Carbide teeth give you outstanding wear-life.Recommended Max RPM is 10,000. . Comfortable, Effortless Operation - Allowing you to easily and quickly remove a variety of materials. . Suitable for wood, Concrete wall, cement brick, Tire rubber, Paint, Epoxy and Non-metal other materials. . If you’re not 100% satisfied with your purchase, we promise to offer you a prompt and full refund or ship you a replacement, so you can buy with peace of mind. . .● tools are fast-cutting and long lasting, designed to work easily and .efficiently where other conventional tools fail. .●Their tungsten carbide coatings consist of hundreds of extremely sharp teeth that .rapidly remove stock and last 10 times longer than high-speed steel tools. .●Whether you are a casual hobbyist or professional craftsman, Roocbit's durable carbide .coatings will last job after job. All Burrs are used for various carving, hobby.industrial or do-it-yourself .Specifications: .Teeth Material: Tungsten Carbide .1/4"(6.35mm) Shank . . .