DORMER 21-Piece set HSS handtaps for metric threads DIN 352 form C bright finish straight flutes for 1.5xD blind and through holes

21-Piece set HSS handtaps for metric threads DIN 352 form C bright finish straight flutes for 1.5xD blind and through holes for general use in steel <1200 N/mm², cast iron, copper and brass, aluminum alloys, plastics and fiber reinforced plastics thermosetting plasticsE100NO8: M3-M12