Coupling Nut hex coupling nut brass hex coupling nut bronze hex coupling nut/brass insert/brass square nuts/

hex coupling nut

brass hex coupling nut

steel coupling nut

brass insert

brass square nut

bronze hex nut/bronze square nuts/

Offer to sell various designs of coupling nuts,zinc plating or H.D.G.finish for your option.

3/8" Hex Coupling Nut