A total of 46 million passenger journeys were made across the Irish Rail network in 2017, making safety and security a top priority. When the wire locking mechanism that had been previously used on the ‘22000 class’ InterCity Railcar (ICR) fleet began to show signs of weakness, Irish Rail then turned to look at the possibility of using the Nord-Lock wedge-locking washers to ensure reliability, consistency in maintaining tension and an even higher level of safety.(…)
via Irish Rail safely secured with Nord-Lock washers | Fastener + Fixing Magazine.