Fuji Seimitsu Co., Ltd.

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.
Fuji Seimitsu nuts are used in all kinds of "objects" and "places" in the world including in vehicles such as automobiles and motorcycles as well as in industrial machinery and buildings.
We are pleased and proud that our manufacturing spirit and technological efforts contribute to the safety and security of social infrastructure as a representative of locknuts.

Fuji Seimitsu's slogan is "Unshaken Quality to the Future."
We will never compromise in our commitment to manufacturing for all users 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."