General description The Faithfull Long Series HSS Jobber Drill Bits are specifically designed for deep drilling applications. Made from high-quality M2 grade steel, these drill bits are ideal for professional use, offering a longer length for deeper drilling requirements. Technical specifications Diameter: 7.5mm Overall Length: 156mm Working Length: 102mm Material: M2 high-speed steel Point Angle: 135 degrees Compatibility and accessories Compatible with standard drill chucks and drill machines Suitable for use in alloy steels, carbon steels, cast iron, hardened steels, and stainless steels Installation Insert the drill bit into a compatible drill chuck Secure tightly to prevent slipping during operation Use appropriate speed and pressure based on the material being drilled Usage Mark the drilling point on the material Start drilling at a low speed to create a guide hole Increase speed gradually for efficient drilling Apply steady pressure without forcing the drill