40pz Set Rubinetto e Stampo Acciaio Alta Velocità SAE UNC UNF NPT Kit Filettatura #4 a 1/2
▲ Fine Unified Thread (UNF): #10 - 32 UNF, 1/4” - 28 UNF, 5/16” - 24 UNF, 3/8” - 24 UNF, 7/16” - 20 UNF, 1/2” - 20 UNF. ▲ MOST POPULAR SIZE: Includes a full range of most commonly used tap & die sizes for unified screw threads (UN-Series).