GZ-321 – Nut W 21.8×1/14” LH / Ø16.2 – L=18

GZC-330 – Valve nut – W21,8×1″/14 (left-hand thread)

GZ-312 – Lock nut – M12x1

GZ-01-92 – Nut M16x1 / Ø12 – thermoplastic pipes – Brass

GZC-730 – Flare nut – 7/16UNF – ø6

GZ-00-94 – Flanged Nut – M16x1