General description Professional quality M35 high-speed steel drill bits with 5% cobalt, designed for drilling tough materials such as stainless steel, hardened steel, cast iron, copper, high-temperature alloys, titanium alloys, aluminum, hard plastics, and wood. These durable and strong drill bits are ideal for DIY, home improvement, and general construction or engineering projects. Technical specifications Material: M35 HSS with 5% Cobalt Drilling Diameter: 6mm Flute Length: 57mm Total Length: 93mm Point Angle: 135 Degrees Flute Type: Spiral Shank Type: Straight Package Dimensions: 11.5 x 7.7 x 0.9 cm Compatibility and accessories Compatible with standard chucks and regular round collets Suitable for handheld devices like lithium drills, hand drills, and impact drills Compatible with flat drilling equipment such as bench drills, magnetic drills, drill presses, milling machines, and machining centers Installation Use at 1,500 rpm or higher for maximum efficiency For extended service