THREADED-RODS threaded-rods DIN-975 wing nut (american type) DIN-315A Double Thread for fixing solar panels SMF-32 double - threaded set complete with DIN 125, DIN 9021, DIN 934 SMF-33 double thread included with DIN 6923 SMF-34 double thread included with DIN 6923 SMF-35 tabwasher with internal tabs for nuts Din 408 SMF-41