Description générale These are high-quality cobalt HSS drill bits designed for drilling through tough materials such as steel, stainless steel, and other metals. They are durable and suitable for professional and DIY use. Spécifications techniques Diameter: 4.5 mm Length: 80 mm Material: Cobalt HSS (High-Speed Steel with cobalt alloy) Number of pieces: 10 Point angle: 135° Compatibilité et accessoires 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 Utilisation Use for drilling holes in metal, steel, stainless steel, and other hard materials Apply steady pressure and keep the drill perpendicular to the surface Autres informations Made by Irwin, a reputable brand known for durable tools