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HardLock Industry manufactures "non-loosening nuts" indispensable for enhancing safety at the point of use. The "Safety is Power" performance of the Hard Lock Nut has been highly appreciated in Japan and around the world. The explanation to the Korean visitors began in Korean by a staff member.

HARDLOCK INDUSTRY CO., LTD. https://www.m-osaka.com/en/exhibitors/164/

1) Ideal nuts for high places, inside machinery, and other locations where removal is difficult

2）Nuts substitute for welding

3) Principle of hard-lock nut structure is "Torii" gateway wedge

L) Principle of Structure

R) Hard Lock Nut

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