General description CCYKXA Drill Bit Set includes 5 high-speed steel carbide drill bits ranging from 15mm to 35mm, designed for precision drilling in wood and other materials. Made from tungsten steel and heat-treated for durability, these bits ensure smooth cutting operations with excellent impact resistance and toughness. Technical specifications Material: Tungsten steel Type: High-speed steel carbide drill bits Sizes: 15mm, 20mm, 25mm, 30mm, 35mm Compatibility and accessories Compatible with drill press, impact drill, vertical drill, portable electric drill, stand motor drill, and mobile band drill. Usage Suitable for drilling in wood, plastic, plywood, and other materials. Ideal for industrial hinge installation, wood processing, maintenance, model making, and installation of spherical doors and drawers.