General description This Draper 08854 Black HSS Drill Bit Set includes 170 high-speed steel (HSS) drill bits designed for precision and durability. The bits feature a fully ground construction with a 135° split point for accurate centering and to prevent wandering during drilling. The black oxide coating enhances resistance to corrosion and increases lifespan, making them suitable for drilling into metal, wood, plastic, and chipboard. Technical specifications Type: HSS drill bits Tip angle: 135° Flute: Single Connection: Round shank Construction: Fully ground Size range: 1.0mm to 10.0mm Manufactured according to DIN338 and ISO235/1 standards Compatibility and accessories Compatible with standard 10mm or 13mm drill chucks Suitable for use with metal, wood, plastic, and chipboard Installation Insert the desired drill bit into a compatible drill chuck Ensure the drill bit is securely tightened before use Usage Use appropriate speed and pressure based on the material being drilled Apply