General description This bimetal hole saw is designed for precision cutting of various materials including aluminum, copper, iron, stainless steel, wood, and zinc. It features high-speed steel (HSS) teeth welded with electron beam technology, enhancing strength and durability. The optimized tooth arrangement allows for faster cutting, making it suitable for demanding tasks across different applications. Technical specifications Material compatibility: aluminum, copper, iron, stainless steel, wood, zinc Tooth material: high-speed steel (HSS) welded with electron beam Technology: Weldtec for increased durability and cutting speed Tooth design: optimized for longer lifespan and faster cuts Variable TPI: 4.5/5.5 for efficient cutting and chip removal Size: 70 mm diameter Reinforced thick plate for reliability in tough applications Bimetal construction for increased strength and durability Compatibility and accessories Compatible with standard drill chucks and hole saw adapters Suitable