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  • Kindly be informed that it will be peak period in conjunction with the Chinese New Year festive season. Delivery pickup upon 25 January 2025 estimated would arrive after CNY holidays. Please expect slight delay for orders shipped during this peak season and we thank you for your kind understanding. [Details]
  • Please note that E-Invoice will be sent to our customers by email. For more information, please read News. 

FUJI SEIMITSU Nuts

Fuji Seimitsu Co., Ltd. is a comprehensive manufacturer of self-locking nuts with industry-first metal ring locking capability. Fine U-NUTs are self-locking nuts developed for fastening bearings used in particularly harsh environments. Key groove processing on the shaft is not required, increasing "rationality" and "safety" of work processes. Even easier mounting gives excellent "workability". Increased performance of various machinery products, higher product quality and lighter weight has led to "safe" and "reliable" products with a great reputation.