This external chamfer deburring tool is manufactured with three hardened cemented carbide blades. Designed for repairing bolt threads and studs and chamfering metal bars/pipes. For use on hardened steel, mild steel, stainless steel, brass, copper, wood and hard plastics. Fitted with a quick change 1/4" hex. shank. Suitable for drill drivers and drills with a standard 10/13mm chuck. Features & Benefits:• Three hardened cemented carbide blades• Designed for repairing bolt threads and studs and chamfering metal bars/pipes• For use on hardened steel, mild steel, stainless steel, brass, copper, wood and hard plastics• Fitted with a quick change 1/4" hex. shank• Suitable for drill drivers and drills with a standard 10/13mm chuckSpecifications:Minimum size: 3mmMaximum size: 19mmBlade material: Cemented carbideBlade quantity: 3Maximum speed: 400rpmConnection: 6.35mm hex. shankContents:1 x External Chamfer Deburring Tool, 13-19mm