CALIBRU TAMPON FILET UNF
Specificatii calibre: conform ANSI/ASME B1.2 - 1983
Combinatia diametru - TPI:
- UNC - Unified National Coarse
- UNF - Unified National Fine
- UNEF - Unified National Extra Fine
- UN - Unified National Constant (seria TPI uniform)
- UNS - Unified National Special
Calibrele tampon se fabrica pana la diametrul nominal 2.1/2" (inclusiv) cu doua capete (T-NT) iar peste aceasta dimensiune, cu un singur capat.