Product: Tungsten Carbide Twist Drill BitsMaterial: Tungsten CarbideType: Imperial,Website:http://www.chinabettool.com, Metric, Non-standard Product Description: Sharp edge, easy cutting, suitable for high-speed cutting.Diameter of tungsten carbide twist drill bits is available from 2mm to 16mm, total length available from 24mm to 120mm.Suitable for precision drilling for hardened steel, cast iron, bronze alloys and manganese alloyed steel. Good products mean less friction and long service life.This product is used to create holes of workpiece, good using result, we can provide mini order for you, and delivery time is very short.