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    4. Taicang Zhongbo Railway Fastening Co., Ltd.
      +86 512 5337 5226
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      Surface Treatment of High Strength Bolts

      Jul. 18, 2019

      They are made of high strength steel. High-strength bolts are used for the connection of bridges, railways, high-pressure and ultra-high-pressure equipment, high-strength bolts in ultra-high-pressure equipment, or greater pre-stressing in order to keep the container sealed. The Bridge Bolt connection has the advantages of simple structure, good mechanical properties, mobility, and fatigue resistance.

      Bridge Bolt

      Surface treatment:

      Hot-dip galvanizing or electro-galvanizing is the standard surface treatment for such products, and other surface treatment requirements can be tailored to actual requirements.

      We welcome you to consult our existing products and customize your products according to the drawings.

      E-mail: customerservice@zb-railfastening.com

      Tel.: +86 512 5337 1081

      Fax: +86 512 5337 1080 +86 512 5337 1087

      Mobile: +86 136 0623 5829