Railway Plate Screws: Their Role and the RDSO T-3911 to T-3918 Drawings
Plate screws hold bearing plates and base plates to sleepers. What they do, where they are used and how to order them by RDSO draw...
Insights
3 articles in Railway Fasteners
Track Bolts for Points and Crossings: What They Do and How to Order Them
Turnouts are full of bolted assemblies, each with its own RDSO drawing. How track bolts for points and crossings are specified and...
Fish Bolts in Railway Rail Joints: Function, Sizes and RDSO Drawings
What a fish bolt does at a rail joint, why the RDSO drawing matters, and what to check before you order fish bolts with nuts.