Draper 10pcs Black HSS Drill Bit, 3.5mm x 70mm 08821 for Metal, Wood and Plastic

General description This set includes 10 high-speed steel (HSS) drill bits, each with a diameter of 3.5mm. Designed for precision and durability, these drill bits feature a fully ground 135° split point for accurate centering and to prevent wandering during drilling. The black oxide coating enhances their resistance to corrosion and extends their lifespan. Suitable for drilling into metal, wood, chipboard, and plastic, these bits do not require cooling agents during use. Technical specifications Material: High-Speed Steel (HSS) Diameter: 3.5mm Number of pieces: 10 Coating: Black oxide Point angle: 135° split point Standards: DIN 338, ISO 235/1 Compatibility and accessories Compatible with drills that have a 10mm or 13mm chuck Suitable for use with metal, wood, chipboard, and plastic materials Installation Insert the drill bit into the drill's chuck and tighten securely Ensure the drill is set to the appropriate speed for the material being drilled Usage Use the drill bits for precise