Irwin - hss tct Tip Drill Bit 5.0mm OL86mm WL52mm IRW10502641

General description This is a 5mm metal drill bit made with TCT (tungsten carbide tipped) for enhanced durability and cutting performance. It is suitable for drilling into hard metals and other tough materials. Technical specifications Diameter: 5.0mm Total length: 86mm Working length: 52mm Weight: 10 grams Body material: Chrome Vanadium Steel, hardened to 56 Rockwell C Carbide tip hardness: up to 50 Rockwell C Installation Insert the drill bit into the drill chuck and tighten securely before use. Usage Use with appropriate safety gear. Apply steady pressure during drilling. Ensure the drill is set to the correct speed for metal drilling. A coolant should always be used when drilling with TCT twist drill bits; Irwin suggests a 3-6% emulsion to extend the lifetime of the drill bit. Other information