Dormer A0024.1 A002 HSS-TiN Coated Tip Jobber Drill 4.10mm (Box of 10) The Dormer A0024.1 A002 Multi-Purpose Jobber Drill bits have a 4.10mm diameter and are sold in a box of 10. They are made from High-Speed Steel for ultimate robustness, featuring a Titanium Nitride coated tip for longer life. They are self-centring for ease of use and are typically used for drilling in steel, aluminium and plastic. Features: Can be used in many different handheld and machine applications Titanium nitride coated tip increases the service life of the drill, improving performance when drilling harder materials The 118 degree split point aids self-centring when used by hand and also reduces the push force required Improved accuracy with more accurate holes and a better quality of finish Premium HSS material can be used for drilling many materials including steels, aluminium and stainless steel Specification: DIN338 Head Diameter: 4.10 mm Cutting Length: 43 mm Overall Length: 75 mm