LESOLEIL Countersink Chamfer Deburring Drill Bit Set, 4 Pcs Titanium Coated Countersink Metal Deburring Drill Bits Tool for DIY Wool Metal Plastic Silver by Amazon.co.uk

• Compatible with - 2-5mm, 5-10mm, 10-15mm, 15-20mm

• 90 Degree - Advantage of wear-resistant and durable, high chamfer concentricity, beautiful chamfering, etc

• HSS 4241 - High hardness and wear resistance, high cutting speed, sharp cutting edges. For material with hardness below 65HRC

• Angle Design - Rust and corrosion resistance. With the edge strength and sharpness, the use of large core diameter, tool rigidity, countersink cutting and cutting ability has been increased

• For all common drills - Drills from Hilti, Bosch, Makita, Hitachi, Fein, AEG, Metabo, DeWalt, Black & Decker, Brüder Mannesmann, Kress, Wolfcraft, Einhell, Milwaukee, Flex etc. (use protective oil to prevent rust.)