GZ-314 – Lock nut – M16x1

GZ-313 – Lock nut – M14x1

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

GZ-01-91 – Nut M14x1 / Ø10 – thermoplastic pipes – Brass

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

GZ-00-94 – Flanged Nut – M16x1