Features Durable Cemented Carbide Construction: Built with high-quality cemented carbide, this hole saw offers extended service life, ensuring reliable performance for your toughest metal drilling tasks Versatile Material Compatibility: Efficiently cuts through a variety of materials, including steel, aluminum, plastic, and more, making it an essential tool for any industrial supplies toolkit Precision Cutting Edge Design: Features an incisive cutting edge that delivers neat, glossy holes without broken edges, reducing the need for secondary finishing work Low Resistance Tooth Geometry: Engineered with a front and rear inclination angle, this innovative design minimizes cutting resistance, enhancing perforation ability and speed Enhanced Efficiency for Professionals: Designed for use with multiple materials, this hole saw drill optimizes your workflow, making it an invaluable addition to your hole saw cutting kit Features: 1、The main body of this hole saw is made of cemented carbide, which effectively extends the service life. 2、Can make holes in steel plates, iron plates, stainl steel plates, aluminum plates, calcium silicate plates, plastic plates, resin plates, and FRP plates. 3、This cutting edge is incisive, the opening is neat and glossy without broken edges, and the cutting resistance is small. 4、Thefront and rear inclination angle tooth shape design, low resistance and strong perforation ability. 5、This hole saw can be compatible with a variety of materials and work more efficiently. Specification: Item Type: Carbide Hole Saw Material: Carbide Purpose: To make holes in steel plate, iron plate, stainl steel, aluminum plate, calcium silicate plate, plastic plate, resin plate, FRP plate Plate Cutting Thickn: Approx. m / 0.1in Total Length: Approx. 88mm / 3.5in Inner Wall Thickn: Approx. 20mm / 0.8in Shank Diameter: Approx. 9.8mm / 0.4in Hole Diameter Specification: Approx. 50mm / 2in 51mm / 2.01in 5m / 2.1in 55mm / 2.2in 60mm / 2.4in 65mm / 2.6in 70mm / 2.8in 75mm / 3in 80mm / 3.1in 85mm / 3.3in 90mm / 3.5in 95mm / 3.7in 100mm / 3.9in Package List: 1 x Hole Saw 1 x Spring 1 x Hex Wrench Note: Not suitable for electric drills and impact drills, as well as materials such as tiles, concrete, wall, and stones. Package List 1 x Hole Saw 1 x Spring 1 x Hex Wrench