Bi-metal Hole Saw, 13 PCS Hole Saw Set with 13 Mandrels, 13 Hex Keys and 13 Springs, Ø18-75mm Saw Blade for Drilling Plastic, PVC, Wood, Fiberboard, Soft Metal

General description The Bi-metal Hole Saw Set includes 13 hole saw blades and a comprehensive set of accessories, making it ideal for various drilling tasks. Each kit is individually packaged to prevent issues with drill bit holders and ensure all blades remain usable after multiple uses. Technical specifications Number of hole saw blades: 13 Diameter range: Ø18-75 mm Maximum cutting depth/thickness: 25 mm Material: M42 bi-metal saw band with high-speed carbon steel cutting part Compatibility and accessories Includes 13 mandrels Includes 13 hex keys Includes 13 springs Compatible with bench drills, drill presses, pistol drills, and various hand drills Usage Suitable for drilling into metal pipe fittings, aluminum alloys, plastic plates, wood, gypsum boards, and more Recommended rotation speed: RPM ≤ 1000 to prevent high-speed wear Other information The product surface is coated with a thin layer of protective oil for anti-oxidation and anti-rust