HLN (Hard Lock Nut) / HLB (Hard Lock Bearing Nut)
The Hard Lock® nut, born in Japan and growing worldwide, possesses a strong anti-loosening effect, excellent workability, and ease of attachment and detachment that other lock nuts do not have. Could the principle of a wedge be applied to anti-loosening? This theme was tackled, and after repeated trial and error, the Hard Lock nut was completed.
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basic information
Hard Rock (R) Nut, born in Japan and raised in the world Could the principle of a wedge be applied to prevent loosening? The Hard Rock Nut was developed through this theme, involving repeated trial and error until completion. The inherent locking energy within it maintains a completely tightened state, unaffected by external vibrations or shocks. Currently, it continues to support safety as a fastening nut in various places such as railways, highways, bridges, skyscrapers, various industrial machinery, and public facilities. Its strong anti-loosening effect, excellent workability, ease of attachment and detachment, and maintenance-free economic benefits provided to users are reflected in its high trust and track record. Born from the pursuit of safety, the Hard Rock Nut will continue to demonstrate its power in unseen places, widely protecting the safety of society. For more details, please contact us.
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Applications/Examples of results
<Application> Railways, highways, bridges, skyscrapers, various industrial machinery, public facilities, etc.
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Company information
Hard Rock Industries is a company that develops, produces, and sells "lock nuts," and it was established in 1974. Our Hard Rock Nuts were created from the strong desire of our founder and technical president, Katsuhiko Wakabayashi, to eliminate accidents caused by loosening screws and to create a safe and secure society. We are still advancing the development and improvement of new anti-loosening products. Our products are used in critical safety locations and areas where maintenance and inspection are difficult. <Main Clients> Railway market (vehicles, tracks, overhead lines, etc.), bridges and highways, transmission towers for power lines, construction and civil engineering, plant equipment, industrial machinery, and more.