Tecwerk Conical sheet metal bit drill. range 4-20 mm HSS overall length 71 mm no. of cut

Shank with 3 clamping surfaces. With 2 cutters. Countersink angle 20°. Conically rising cutters are radially relief ground, thereby resulting in a peeling cut. Universal tool with a large area of application, especially suitable for sheet metal forming but also plastics. Can be used on any drill