Description Ideal for sheet metal without pre-drilling in sheet metal, aluminium, plastic & fibreglass. During drilling, the next step deburrs the previously drilled hole. Made from High Speed Steel. Made with HSS and coated with Titanium Nitride for long life Fixed drilling steps Easy to sharpen non-skid tip Two straight fluted cutting edges for greater control through steps Hex shank suits quick change adaptors Sizes 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 25mm
