Nuovissimo rubinetto filettato HSS destro non ferroso maschiatura 3/4 - 16 TPI die
TPI: 25.4/16=1.58. High-speed steel (HSS) has good wear resistance. Universally applicable to ferrous and non-ferrous materials. Material: HSS (High Speed Steel). Model: 3/4-16 Tap + 3/4-16 Die (UNF: Uniform Fine Thread).