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Fuji Seimitsu is a manufacturer that developed the industry’s first metal ring type locknut, the FUJILOK U-NUT, in 1962, and the FINE U-NUT locknut for bearings in 1981.
Today, Fuji Seimitsu locknuts are trusted and utilized across a wide range of industries and environments worldwide—from automobiles and motorcycles to industrial machinery and buildings.
We take great pride in the role our craftsmanship and technology play in supporting the safety and reliability of social infrastructure.
Our slogan, “Unshaken Quality to the Future,” reflects our unwavering dedication to excellence. We will never compromise on quality and are steadfast in our promise to deliver superior products to every user of Fuji Seimitsu products.
We do not believe that our current level of quality is the best that we can deliver, and we will continue to work together as a team to provide the world’s best in unshaken quality and value.
