General description This is a high-quality, durable hole saw designed for cutting through various materials. It features a robust structure with variable tooth geometry on a special steel (bimetal) body, ensuring excellent cutting performance and long-lasting durability. Technical specifications Diameter: 79 mm Maximum cutting depth: 40 mm Tooth geometry: 4.5/5.5 teeth per inch, reinforced (Tough Teeth) Material: Bimetal steel (special steel with HSS teeth) Body: Steel with threaded connection and holes (⌀ 32 mm) Coating: Optimized to reduce heat generation Compatibility and accessories Compatible with drill presses, lathes, and handheld drills Requires appropriate arbors or drill chucks for attachment Suitable for use with lubricants to enhance performance Installation Attach the hole saw securely to the drill or drill press using the threaded connection or arbor Ensure the saw is properly aligned before starting to drill Use appropriate lubricants to facilitate cutting and prolong