Bimetal hole saw, 13-piece hole saw set with 13 mandrels, 13 hexagon keys and 13 springs, saw blade Ø 18–75 mm for drilling plastic, PVC, wood, fiberboard, soft metal

General description The Bimetal Hole Saw Set includes 13 hole saw blades with diameters ranging from 18 mm to 75 mm, along with 13 mandrels, 13 hexagon keys, and 13 springs. This comprehensive set is designed for drilling through various materials such as plastic, PVC, wood, fiberboard, and soft metals. Each component is individually packaged to prevent issues with the drill holder and ensure usability after each size is used. Technical specifications Number of hole saw blades: 13 Diameter range: 18 mm, 20 mm, 22 mm, 25 mm, 28 mm, 30 mm, 35 mm, 38 mm, 45 mm, 50 mm, 55 mm, 65 mm, 75 mm Maximum cutting depth/thickness: 25 mm Material: M42 bimetal saw blade with high-speed carbon steel cutting part Recommended rotation speed: ≤ 1000 rpm Usage The hole saw set is suitable for a variety of applications, including drilling into metal pipe joints (such as steel, castings, and aluminum alloys), plastic sheets, galvanized pipes, fire pipes, wood, and plasterboard. It can be used with bench drills, drilling machines, pistol drills, and various hand drills. Other information The surface of the product is coated with a thin layer of protective oil to prevent oxidation and rust. After drilling, the spring mechanism automatically ejects the disc from the saw. Users should regularly check the condition of the hole opener and avoid leaving stains on the product.