General description The IRWIN HSS Pro Drill Bits are manufactured from high-quality high-speed steel (HSS), designed for drilling metal and other hard materials. This set includes 5 drill bits, featuring precision ground cutting edges for fast drilling and perfect finishing, a ground flute for maximum accuracy and fast chip removal, and a universal 118º point shape for versatility across various materials. Technical specifications Drill bit diameter: 7.5mm Total length: 109mm Working length: 69mm Material: High-speed steel (HSS) Standard: DIN-338 Quantity: 5 pieces Compatibility and accessories Compatible with standard drill chucks for use with power drills Installation Insert the drill bit into the drill chuck and tighten securely before use Usage Use appropriate speed and pressure for the material being drilled Ensure the drill bit is sharp and in good condition for optimal performance Other information Designed for professional and DIY use in metalworking and home improvement