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Sannohashi

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Manufacturer of high-function bolts and precision cold-forged parts, primarily for automobiles.

Last updated September 1, 2026

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Nov 4, 2026
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Nov 4, 2026

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Overview

Sannohashi Co., Ltd. is a Japanese manufacturer of automotive special bolts, threaded parts, cold-forged parts, and precision machined parts. Founded in 1918, the company emphasizes quality and innovation in its products.

History

Sannohashi was founded on July 7, 1918, by Noboru Nagashima as Sannohashi Seisakusho in Tokyo. It was reorganized as a corporation in 1944. The company moved to Adachi Ward in 1945 after war damage. In 1968, it established the Yashio Plant (now Saitama Plant) in Yashio, Saitama. In 1992, the company name was changed to Sannohashi Co., Ltd.

Sources3 sources

  1. 1株式会社 サンノハシsannohashi.co.jp
  2. 2企業情報 - 株式会社 サンノハシsannohashi.co.jp
  3. 3製品と技術 - 株式会社 サンノハシsannohashi.co.jp

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