General description This high-quality HSS PRO drill bit is designed for industrial use, offering exceptional performance and durability. It is suitable for drilling various materials including cast iron, steel, alloyed and unalloyed steel, non-ferrous metals, plastics, and more. Ideal for professional and DIY projects requiring reliable metal drilling capabilities. Technical specifications Diameter: 4.5 mm Total length: 80 mm Working length: approximately 47 mm Material: High-Speed Steel (HSS) Standard: DIN 338 Tip angle: 118° Compatibility and accessories Compatible with standard drill chucks Suitable for use with electric drills and drill presses Installation Insert the drill bit into the drill chuck and tighten securely Ensure the drill is set to appropriate speed for metal drilling Usage Use appropriate cutting fluid to prolong drill life and improve performance Apply steady pressure during drilling Start drilling at a low speed, then increase as needed Other information The Irwin