General description The IRWIN HSS Pro Drill Bits are manufactured from high-quality high-speed steel (HSS) and come in a bulk pack of 5. Designed for precise and efficient drilling, these bits are suitable for use in metal, cast iron, and other hard materials. They feature precision ground cutting edges for fast drilling and a polished silver surface finish for enhanced durability. Technical specifications Model: IRWIN HSS DIN-338 Diameter: 11.0mm Total length: 142mm Working length: 94mm Material: High-speed steel (HSS) Number of pieces: 5 Compatibility and accessories Compatible with standard drill chucks for metal drilling Suitable for use with drill presses and handheld drills Installation Insert the drill bit into the drill chuck and tighten securely Ensure the drill is set to the appropriate speed for metal drilling Usage Use for drilling metal, cast iron, and other hard materials Apply steady pressure and maintain proper speed for optimal results Use cutting lubricant if