General description This is a set of 25 high-speed steel (HSS-R) drill bits designed for drilling into metal and other hard materials. The set includes sizes from 1mm to 13mm, suitable for various DIY and professional applications. The drill bits feature a black oxide coating for increased corrosion resistance and durability. They are designed with a 118° point angle and cylindrical shank for precise and efficient drilling. Technical specifications Set includes 25 drill bits with diameters from 1mm to 13mm Material: High-Speed Steel (HSS-R) Coating: Black oxide for corrosion resistance Point angle: 118° Shank: Cylindrical, matching the diameter of the drill bit Compatibility and accessories Compatible with standard drill chucks Suitable for use with electric drills and drill presses Installation Insert the drill bit into the drill chuck and tighten securely Select the appropriate size for your material and task Usage Use with appropriate safety gear, including eye protection Apply