SUTTON TOOLS® presents a breakthrough in twist drill technology - the revolutionary VIPER, drill bits with bite! The D105-Series VIPER Bit has been developed specifically for the semi-industrial trades person and the home handy person. For machine and hand held drilling in a wide range of ferrous and non-ferrous materials such as steel, aluminium, brass, wood & plastics. The VIPER point design is 2X times faster, out-performing conventional twist drill bits. The 118° split point is self-centering which minimises wandering when starting and requires less power (force) when drilling. Features 118° Split Point (Drills >3.5mm & 9/64") - Minimises wandering when starting, VIPER Point Design - 2X times faster, outperforming conventional twist drill bits, Drill sizes above 10mm & 3/8" feature reduced shanks - Suits 10mm power drill chucks, Made from M2 High Speed Steel (HSS) - Dffering the best combination of strength, hear & wear resistance, Bright Finish - For general purpose applications, non-ferrous metals & plastics , Specifications Diameter: 9.0 mm, Working Length: 81 mm, Overall Length: 125 mm , Point Angle: 118° Split, Helix Angle: R30, Point Tolerance: h8, Point Form: Form C, Material: HSS, Finish: Bright,