Features: -Each edge is a part of the characteristics of the cutting work, making the hole is not easy to produce the phenomenon of collapse. -Stainless steel plate, steel, casting, aluminum alloy, iron and other types of sheet metal drilling. Cargo removal, with excellent performance, sharp edge, wear-resistant. -Square teeth for fast cutting of round and clean holes. -Cuts fast and accurate holes in stainless steel, mild steel, iron, copper and brass. -Suitable for handheld electric drill, stand motor drill and mobile band drill. Note: This product is not easy to cut relatively thin metal material, can be cut in the 2-5mm stainless steel plate and the metal plate15mm Specifications: Material: Cemented Carbide Color: Silver Straight Cutting: 14-100mm Handle Diameter: 10mm Chip Flute Length: 2mm Working Length: 25mm Total Length: 90mm Outer Blade Apex Angle: 45 Outer Diameter Size: 15mm, 16mm, 18mm, 20mm, 22mm, 25mm, 32mm, 35mm, 42mm, 50mm Chuck Size: 9mm Appliacation: Can be used for bench drill, electric drill chuck with the use of machine tools Package Includes: 1 x Drill Bit Hole