Initial loosening prevention for screw fastening parts: spring washers, SW No. 2, No. 3, equivalent to JIS B1251. Please consult us for custom sizes.
SW No. 2 and No. 3, produced in-house with domestic materials. Spring washers manufactured at the latest smart factory, Mita Plant, which started operations in 2015. Spring washers - SW No. 2 and No. 3, equivalent to JIS B1251. Custom sizes are also available upon request. *For more details, please refer to the catalog or feel free to contact us.*
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SW No. 2 and No. 3, produced in-house using domestic materials. Spring washers manufactured at the state-of-the-art Mita factory, which started operations in 2015. Spring washers - SW No. 2 and No. 3, equivalent to JIS B1251. Custom sizes are also available upon request. *For more details, please refer to the catalog or feel free to contact us.*
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We have mass production achievements in various fields, including automobiles, construction machinery, heavy equipment, agricultural machinery, and construction.
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Product Introduction [Washers, spacers, plates, retaining rings, disc springs, coil waves, eccentric and concentric snap rings, shims, flat springs, various sliding parts, press parts] Processing Technology [Progressive press processing, multi-forming, fine groove press processing, pressing of sintered, machined, and fine blanking products, austempering] Features and Technology [Fine groove processing, fine hole processing, thickening processing, irregular wire processing, high precision plate thickness, miniaturization proposals, in-house mold production, heat-resistant steel, handling of JIS products, friction coefficient reduction, independent prototyping, unit performance improvement] Our company boasts high quality with manufacturing technology cultivated over nearly 80 years, guided by the motto "Let's be particular about manufacturing, let's earn trust." We have a world-class sales volume of washers (570 million pieces/month), with major Japanese automotive companies as primary users. The sales department, development and technology division, quality assurance division, and manufacturing division collaborate from development to design, prototyping, and mass production to create products that satisfy our customers. This comprehensive strength is our company's advantage. We are investing management resources into the manufacturing and sales of high value-added products that require advanced manufacturing technology, such as precision plates with micron-level oil grooves (components for electromagnetic clutches), aiming for business expansion.