Case Studies
Ensuring Smooth Railway Traffic with the THU Locknut
Recurring fastener loosening at a busy railway diamond meant daily inspections. See how THU Locknuts solved the problem and maintained reliability in extreme conditions.
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Case Studies
Eliminating Loose Bolts on a Class 1 Double Diamond with THU Locknuts
A busy Class 1 double diamond faced frequent loose and seized bolts, causing weekly maintenance headaches and high costs. J.Lanfranco THU locknuts provided predictable locking, eliminated weekly replacements, and saved $50,000 in six months.
Case Studies
Securing Railway Cover Boards Against Vibration
Vibration and collector shoe tension caused loose fasteners on power rail cover boards, risking safety and service disruptions. ERM locknuts provide a reliable, easy-to-install solution that keeps cover boards secure under daily train operations.
Case Studies
Rebuilding a Collapsed Railway Bridge with the ESL Locknut
When a major railway bridge collapsed under heavy freight traffic, the failure wasn’t visible bolt loosening—it was silent clamp force loss.