GZ-315 – Lock nut – M18x1

GZ-312 – Lock nut – M12x1

GZ-232 S – Female compression nut for filler – G1/4″ / ø8 – steel

GZ-13-30 – Valve nut – W21.8×1″/14 (left-hand thread) – long

GZ-00-94 – Flanged Nut – M16x1

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