We strive to be the world’s premier supplier of hand fastening screws produced using a variety of materials.
Mitsuboshi, established in 1938, continues to be at the forefront in the manufacture of metal and plastic components striving to excel in quality, competitive pricing and large production volume by adhering to our company motto of “NANI KU SO” or, continuous improvement. With over 70 years as a leader in supplying butterfly bolts, nuts and hand fastening screws to various industries, we continue to develop new technologies which meet, or exceed the demands of our worldwide customer base.
The 21st century has brought many changes in the structure and composition of Japanese industry and Mitsuboshi will always work hard to be our customer’s best partner in current and future product requirements.
We greatly appreciate the loyalty and encouragement of our customers and will continue to improve our level of service by following our motto “NANI KU SO”.
|MITSUBOSHI C.I. CO., LTD.
|APRIL 1, 1938
|MAY 10, 1950
|BOARD OF DERECTORS
|NUMBER OF EMPLOYEES
|43 (AS OF NOVEMBER, 2018)
|Bank of Mitsubishi UFJ, Ltd.
SHOKO CHUKIN BANK
15-12, TAKAIDAMOTOMACHI 2-CHOME, HIGASHIOSAKA CITY,
OSAKA, 577-0054 JAPAN
TEL: +81- 6- 6782-3151
|PRODUCTION AND DISTRIBUTION OF
WING NUTS, WING BOLTS AND HAND FASTENING SCREWS
|Founded as Showa Pig Iron Foundry.
|Producing pig casting concurrently with aluminum casting.
|Stopped producing aluminum casting and manufacture malleable iron mainly.
|Established Mituboshi Casting Industry Co., Ltd, as a limited company organization.
|Started to trade operation and changed the trade name in to Mituboshi Industry Trade all at once.
|Relocated a head office from Nishi Ward in Osaka City, Osaka to Higashi Osaka city, Osaka.
|Started to manufacture malleable cast iron nuts (marked with Aquila or eagle star).
|Completed pipe threading machine (Automatic home made).
|Started to manufacture wing bolts.
|Started to manufacture and sale of cold headability wing nuts.
|Started to manufacture knob screws
|Absorbed and merged Mitsuboshi Trade Co., Ltd.
|Imported miscellaneous daily goods from U.S. and started to sell them.
|Imported textiles from European countries and started to sell them.
|Imported textiles and miscellaneous daily goods from China, Hong Kong and Taiwan and started to sell them.
|Started sales operations to expand domestic sales
（Expand sales areas from center of the Kansai region to all over Japan.）
|Obtained international standards for Quality Assurance System ISO9002.
|Obtained international standards for Quality Assurance System ISO9001.
|Newly established Mie Factory and relocated a head office to a new building.
|Won Good Design Award in 2008
USA Representative Office
States provides the following services:
・Engineering and product integration
・Kit development and production
10800 E. Cactus Road
#54 Scottsdale, AZ 85259
You are also welcome to contact Mitsuboshi directly.