GZ-312 – Lock nut – M12x1

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

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

GZ-00-94 – Flanged Nut – M16x1

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

GZ-311 – Lock nut – M10x1