Safety is Power, The Worlds Strongest Self-locking Nut!
HARDLOCK® nuts are used all around the world in railroad switches and you didn’t even know it! Increasing train throughput per hour (24 hours) by reducing maintenance. It is loosening prevention method not reliant on high tension.
To send a detail and summary UP-TO-DATE presentation please contact us on firstname.lastname@example.org (Czech, English and Polish version).