HLN (Hard Lock Nut) / HLB (Hard Lock Bearing Nut)
It has a strong anti-loosening effect that is not found in other lock nuts, along with excellent workability and ease of attachment and detachment.
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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? This theme was tackled, and after repeated trial and error, the Hard Rock Nut was completed. 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, including railways, highways, bridges, skyscrapers, various industrial machinery, and public facilities. The strong anti-loosening effect, excellent workability, ease of attachment and detachment, and the maintenance-free economic benefits provided to users, which are not found in other locking nuts, are reflected in its high trust and track record. The Hard Rock Nut, born from the pursuit of safety, will continue to demonstrate its power in unseen places and protect the safety of society at large. □ For other functions and details, please download the catalog.
Price information
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Delivery Time
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Applications/Examples of results
[Uses] Railways, highways, bridges, skyscrapers, various industrial machinery, public facilities, etc.
catalog（1）
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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.