item T-Slot Nut 5 St 2xM4-20, bright zinc-plated with anti-torsion device is a universal fastening element with two M4 threads. This T-Slot Nut made of bright zinc-plated steel can be twisted into place at any point along the Line 5 profile groove and is held in position by a spring-mounted thrust piece.The version 18 mm long is used when Universal-Fasteners are employed in pairs, and the 20 mm version when Automatic-Fasteners are used. With a suitable grub screw in a threaded bore, these T-Slot Nuts create a non-slip thread in the profile groove.T-Slot Nuts with different features but the same thread size are available for this line. Note: When selecting the appropriate variant, you should bear in mind the load-carrying capacity of the entire system comprising T-Slot Nut, groove flank and screw.T-Slot Nuts with anti-torsion device have a raised section in the middle that extends into the groove opening. As a result, these T-Slot Nuts automatically position themselves along the groove.
