General description This is a set of 10 high-speed steel (HSS) drill bits designed for deep and precise drilling in various materials. They are ideal for professional use in construction, maintenance, and industrial applications. The drill bits feature a long design to reach deep or hard-to-access areas, making them suitable for demanding tasks requiring accuracy and durability. Technical specifications Diameter: 5.0 mm Total length: 135 mm Working length: 90 mm Material: High-speed steel (HSS) Manufactured to DIN 340 standards Cylindrical shank Compatibility and accessories Compatible with standard drill chucks Suitable for drilling in metals, plastics, cast iron, and other hard materials Installation Insert the drill bit into the drill chuck and tighten securely Ensure the drill is set to the appropriate speed for the material being drilled Usage Use for deep drilling in metals, plastics, and other hard materials Apply steady pressure and maintain proper speed for optimal results