Assembly components Nuts For the attachment to the system punchings of enclosure and rail systems. Nuts U nut For mounting punched rails and punched sections without mounting flanges on angle brackets, mounting brackets and support brackets. Show products Nuts Threaded blocks Used on enclosures and rails with rectangular system punching 12.5 x 10.5 mm with snap-off insertion aid, die-cast zinc. Show products Nuts Captive nuts Used on enclosures and rails with rectangular system punching 12.5 x 10.5 mm. The nuts are inserted from the same side as screw-fastening takes place. Show products Nuts Spring nut M5 The spring ensures reliable protection against unintentional displacement. Show products Nuts 482.6 mm (19") fastener, 1 U with contact Assembly component for one 482.6 mm (19") mounting level Show products Nuts Captive nuts M5/M6, for the attachment of rack-mounted electronic equipment, 482.6 mm (19") installed equipment and blanking plates to mounting angles, 482.6 mm (19"). Show products