Features Each edge is a part of the features of cutting work, which makes the hole not easy to create the phenomenon of collapse The stainless steel plate, steel, casting, aluminium alloy, iron and other types of metal plate drilling Application: Can be used for bench drill, electric drill chuck when using machine tools. Material: Alloy Chip removal, with excellent performance, sharp edge, wear-resistant Description: Three groups of edges, each blade in the cutting process is only responsible for 1/3 of the workload, and within each cutting edge there is also a cutting edge, also due to the cutting edge or the load caused by the properties of part of the cutting work, making the drill hole is not easy to create the phenomenon of edge fall. Features: - Each edge is a part of the features of cutting work, which makes the hole not easy to create the phenomenon of collapse. - The stainless steel plate, steel, casting, aluminium alloy, iron and other types of metal plate drilling. - Chip removal, with excellent performance, sharp cutting edge, wear-resistant. Specification: - Material: Alloy - Colour: silver. - Length: 65-70 mm. - Outer diameter: 16 mm, 18 mm, 20 mm, 22 mm, 25 mm, 26 mm, 28 mm, 30 mm, 35 mm, 40 mm, 45 mm, 50 mm, 53 mm. - Lining size: 10 mm. - Application: can be used for bench drills, electric drill chucks with the use of machine tools Note: This product is not easy to cut a relatively thin metal material, it can be cut within 2-5 mm Stainless steel plate and metal plate ≤ 15 mm. Package includes: 13 x drill holes. Package List