Fish Plate Lock Nuts

Specifically targeting the issue of loosening fishplates, the Security Lock Nut replaces the standard nut and spring washer in a plated joint and offers years of service without loosening.

Type approved by major railroads in North America including Union Pacific and BNSF, Security Lock Nut is saving time and money through reduced inspection and maintenance on plated joints. Trials are currently underway with ARTC and Metro Trains.