GZ-312 – Lock nut – M12x1

GZ-314 – Lock nut – M16x1

GZC-731 – Flare nut – 1/2UNF – ø6

GZC-732 – Flare nut – 1/2UNF – ø8

GZ-232 – Female compression nut for filler – G 1/4″ / ø 8 – brass

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