General description The HSS Twist Drill Bit Set includes 13 high-speed steel drill bits with a titanium coating, designed for efficient drilling in wood, metal, and plastic. The set features a range of sizes from 1.5mm to 6.5mm, making it versatile for various applications. Technical specifications Material: High-speed steel with titanium coating Sizes included: 1.5mm, 2mm, 2.5mm, 3.2mm, 3.5mm, 4mm (5/32"), 4.5mm (11/64"), 4.8mm (3/16"), 5mm (13/64"), 5.5mm (7/32"), 6mm (15/64"), 6.5mm (1/64"), 6.5mm (1/32") Hex handle size: 6.35mm Compatibility and accessories Compatible with electric screwdrivers and standard drill chucks Installation Quickly replaceable drill bits Designed for use with all power tools Usage Ideal for drilling in wood, metal, and plastic Features a 135° cutting angle for automatic centering and quick penetration Threaded chip flutes for efficient removal of chips and debris