HLN (Hard Lock Nut) / HLB (Hard Lock Bearing Nut)
The Hard Lock® nut, born in Japan and growing globally, possesses a strong anti-loosening effect not found in other lock nuts, along with excellent workability and ease of attachment and detachment. Could the principle of a wedge be applied to prevent 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, with repeated trial and error leading to its completion. The inherent locking energy within it maintains a completely secured 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. Its strong anti-loosening effect, excellent workability, ease of attachment and detachment, and maintenance-free nature provide economic benefits to users, reflected in high trust and proven results. Born from the pursuit of safety, the Hard Rock Nut will continue to demonstrate its power in unseen places, broadly protecting societal safety. For more details, please contact us.
Price information
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Delivery Time
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Applications/Examples of results
Applications: 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 "locking 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 challenging. <Main Clients> Railway market (vehicles, tracks, overhead lines, etc.), bridges and highways, transmission towers, construction and civil engineering, plant equipment, industrial machinery, etc.
![[Technical Information] Basic Knowledge of Understanding Loosening: Proper Tightening of Screws](https://image.mono.ipros.com/public/product/image/545/2000560041/IPROS04668292118070636294.png?w=280&h=280)
![[Technical Information] Principle of Inclined Plane (in the case of a screw)](https://image.mono.ipros.com/public/product/image/229/2000562767/IPROS88952525681500851930.png?w=280&h=280)
![[Technical Information] About Tightening Stress](https://image.mono.ipros.com/public/product/image/4eb/2000562771/IPROS28590245715150845447.png?w=280&h=280)
![[Technical Information] On Metal Damage: "Fatigue Fracture"](https://image.mono.ipros.com/public/product/image/c71/2000562861/IPROS37817229320564742766.png?w=280&h=280)
