Sherwood HSS Taps are the general purpose option for thread cutting in most materials including steel, some stainless steels, cast irons and non-ferrous materials such as Aluminium, Brass and many others.Features HSS construction for increased cutting strength Ground flutes for increased cutting precision Excellent heat and wear resistant properties Manufactured with a bright finishContents 1 each, taper, second and plug leadStandards Manufactured to ISO 529