Features Hard Alloy Construction: The hole saw cutter's main part is constructed from hard alloy, ensuring long service life and increased work efficiency, providing reliability for industrial use. Sharp Cutting Edge: The sharp cutting edge delivers clean, smooth openings without broken edges, minimizing cutting resistance and ensuring hole cutting for electricians and industrial workers. Low-Resistance Tooth-Shaped Design: The front and rear inclined tooth-shaped design offers low resistance and strong perforation ability, enhancing efficiency for metal hole cutting applications. Versatile Hole Opening: This TCT drill bit cutter is suitable for opening holes in various materials including steel plate, iron plate, stainless steel, aluminum plate, and more, making it an ideal choice for industrial tools. Professional Manufacturing and High Accuracy: The hole saw cutter is professionally manufactured with superb craftsmanship and high accuracy, guaranteeing the best performance for electricians and industrial professionals. Features: 1、The main part of the hole opener is made of hard alloy, which can effectively extend the service life and increase the work efficiency. 2、The cutting edge is sharp, the opening is neat, smooth, without broke edges, and the cutting resistance is small. 3、The front and rear inclined tooth？shaped design has low resistance and strong perforation ability. 4、Wide range of applications and can be used to open holes in steel plate, iron plate, stainless steel, aluminum plate, calcium silicate plate, plastic plate, resin plate, FRP plate. 5、Professional manufacturing, superb craftsmanship and high accuracy help to provide the best performance. Specification: Item Type: Hole Saw Cutter Material: Hard Alloy Purpose: Can be used to open holes for steel plate, iron plate, stainless steel, aluminum plate, calcium silicate plate, plastic plate, resin plate, FRP plate. Plate Cutting Thickness: Approx. m/0.1in Total Length: Approx. 88mm/3.5in Inner Wall Thickness: Approx. 20mm/0.8in Shank Diameter: Approx. 9.8mm/0.4in Package List: 2 x Hole Saw Cutter 2 x Spring 2 x Hex Wrench Note: Not suitable for hand drills and impact drills, as well as ceramic tiles, concrete, walls, stone and other materials. Package List 2 x Hole Saw Cutter 2 x Spring 2 x Hex Wrench