The transportation market encompasses a multitude of industries and applications from tractor trailer, locomotive, and light rail to all types of service vehicles. The hours of operation that transportation equipment must endure are extreme — especially on the suspension and frame components. Earnest offers Grade 5 fasteners for applications requiring strength and ductility, and Grade 8 fasteners for the demanding high-strength assemblies that bolt metal to metal.

Many of the rotating components on transportation equipment uses slotted nuts to hold bearings and spindle assemblies in place. Earnest's slotted nuts are manufactured to exacting standards per the ASME for strength and durability.

Whether you need one part or 100,000, Earnest stocks more than 10,000 hard-to-find and high-demand SKUs in our U.S. and European distribution centers. Sourced only from global manufacturing regions that pass our stringent quality standards.