GZ-312 – Lock nut – M12x1

GZC-731 – Flare nut – 1/2UNF – ø6

GZ-315 – Lock nut – M18x1

GZ-232A – Female compression nut – M10x1 / ø6

GZ-313 – Lock nut – M14x1

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