Japan Expressway Corporation has decided to use special bolts for hexagonal guide rails

Japan Yamazaki and East Tokyo Capital Expressway Warranty Company jointly develop bolts for hexagonal guide rails

Since its establishment, Yamazaki Co., Ltd. of Japan has cooperated with the industrialists to develop a proposal-type product. One example is the hexagonal guide rail bolts developed in 2009 in cooperation with Shutoko Maintenance East Tokyo, the Tokyo Metropolitan Expressway Warranty Company, which significantly shortens the time limit and reduces the burden on the builder. In fact, the performance was recognized by the industry. Therefore, in July 2013, the Western Tokyo Capital Expressway Warranty Company also adopted the resolution. After that, Yamazaki will expand the cooperatives in order. (Article source: Taiwan Huida)

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