We are a leading manufacturer and distributor of hand fastening screws specializing in wing bolts and nuts.

One-touch installation will prevent a nut from falling off.
 nut stopper spring and nut stopper pin

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Case Study

Nut stopper spring and nut stopper pin are highly safe and used in a wide range of fields.

Solar Panels

A windproof nut stopper is useful for solar panels having a large installation area and are exposed to constant wind and rain. It is highly recommended for use in areas where frequent inspections cannot be done. Firmly holds large panels in place.

Solar Panels

Steel Tower and broadcasting tower

Ease of assembly improves safety at high elevations. The bright color of the spring allows for long distance inspection.

Steel Tower and broadcasting tower

Highway soundproof wall

Nut stopper is absolutely imperative for soundproof walls which are subject to constant vibration.

A highway(soundproof wall)

Building site foundations

The nut stopper is useful for foundations at large scale building sites. Using the nut stopper, prior to pouring concrete, increases overall framing strength.

A building site(Foundation)

Tunnels

Double safety of using a nut stopper spring or pin increases reliability when installed with a locknut.

Tunnel
手で締めるネジの総合メーカー

MITSUBOSHI C.I. CO., LTD.

HEADQUARTERS : 15-12, TAKAIDA MOTOMACHI 2-CHOME, HIGASHIOSAKA CITY,OSAKA, 577-0054 JAPAN
FACTORY : 2162-1, SHIRAKASHI, IGA CITY,MIE, 518-1151 JAPAN

Please feel free to inquire.

TEL +81-6-6782-3151(平日 9:00~17:00)

FAX +81-6-6783-3787(24時間受付)

CONTACT US / SAMPLE REQUEST