DescriptionThis is the a set of drill bit hole cutter, which is made from Alloy for durable use, it can cut holes efficiently, help you to do your great work. Suitable for cutting holes in a variety of materials including steel, brass, wood, plastic, etc.Feature- Color: as shown - Material: HSS. - Size: 2.55x2.55x6cm - Cutting diameter :17.5-25.5 - Useful length : 8 - Dia : 8mm - Deepest depth : 2.5 - Angle: 90 - Length of chip tank : 8 - Size : 17.5-25.5 - Different sizes meets your requirement. - tooth profile with forward and backward inclination, strong penetration. - High-speed steel and stainless steel hole drill, sheet metal reamer for stainless steel, iron, aluminum, wood and various types of pipes. - Cuts quickly, precise holes in steel, stainless steel, iron, copper, brass, aluminum, fiberglass, formica and other laminates In seconds. - Suitable for Stone, Tiles, Ceramics, Glass and Granite, etc processing.