Address 2-15-12 Takaidamotomachi, Higashi-Osaka-City, Osaka, 577-0054
Tel +81-(0)6-6782-3151
Fax +81-(0)6-6783-3787
President Juzo Nakamura
Established 1950
Capital 38,000,000 yen
Number of employees 58
Company URL http://www.mitsu-boshi.co.jp/ (Japanese Only)
Major Line of business Cold forged wing nuts, bolts
Pressed wing nuts, bolts
Resin knob nuts, bolts
2-087

Mitsuboshi C.I. Co., Ltd. manufactures and sells fasteners that can be tightened by hand, mainly wing bolts, wing nuts and knob bolts made of resin, also producing iron products and compound resin products completely made in-house. In recent years, they have also been working on special metal parts and resin insertion molding.

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General Manufacturer of Hand-tightening Screws – Reliability and Experience

Compound technologies using cold forged pressing

Since its founding in April 1991, Mitsuboshi C.I. has aimed to be the best in the world in quality, production quantity and price. They pride themselves in their experience and reliability for providing wing nuts, wing bolts and all other manual screwing fasteners for all industries. Adding to their standby line of knob bolts, Mitsuboshi C.I. has created their Eagle Star Series of intelligent knob bolts, the next-generation in knob bolts provided with movement incorporating advanced precision and high functionality.

Their unique in-house resin molding dies are adaptable to any client need, and they are confident in their ability to meet the need of companies in any industry.