GZ-314 – Lock nut – M16x1

GZ-02-92 – Nut M16x1 / Ø12 – thermoplastic pipes – steel

GZ-315 – Lock nut – M18x1

GZ-00-94 – Flanged Nut – M16x1

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

GZ-311 – Lock nut – M10x1