Diameter Ø 110 mm, hole saw with heat-treated bi-metal saw blade M42, cutting parts. The product is made of high-quality high-speed carbon steel and has the advantages of high temperature resistance, non-deformation and long service life. The sawtooth cutting design adopts the circular arc design with high concentric precision, uniform tooth edge, impact resistance and drop resistance. Equipped with a non-binding thread edge for easy drilling, the drill spring automatically pushes the disc out of the saw. Widely used for metal steel, castings, aluminum alloys, plastic and other metal pipe joints, galvanized pipes, fire hoses, various woods, gypsum boards, etc. Applicable to: bench drills, drilling machines, pistol drills, various hand drills, etc. Note: The data is all measured manually, please allow an error of 1-3 cm. Due to the difference in light and display, there will be a certain color difference, the actual received object shall prevail.