TINOR 10pcs M35 HSS Cobalt Gold HSS Twist Drill Bit Set for Metric High Speed Drills 3mm x 63mm for Drilling Stainless Steel and Metal

General description Professional quality M35 high-speed steel (HSS) drill bits with 5% cobalt, designed for drilling tough materials such as stainless steel, hardened steel, cast iron, copper, aluminum, titanium alloys, and hard plastics. This 10-piece set is ideal for DIY projects, home improvement, and general construction or engineering tasks. Technical specifications Material: M35 HSS with 5% cobalt Drill diameter: 3mm Flute length: 33mm Total length: 61mm Tip angle: 135 degrees Type of flute: Spiral Stem type: Straight Compatibility and accessories Compatible with standard chucks and regular round collets Suitable for handheld devices such as lithium drills, hand drills, and impact drills Compatible with flat drilling equipment including bench drills, magnetic drills, pillar drills, milling machines, and machining centers Usage Recommended speed: 1,500 rpm or more for maximum efficiency Ideal for drilling tough metals and materials Use coolant to extend the life of the drill bits