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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.

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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.

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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.

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