GZ-311 – Lock nut – M10x1

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

GZ-332 – Female compression nut for OMB – M14x1,5 / ø8

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

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

GZ-315 – Lock nut – M18x1