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    4. Taicang Zhongbo Railway Fastening Co., Ltd.
      +86 512 5337 5226
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      Fasteners at Rail Joints

      Jul. 12, 2019

      Railway Bolts are commonly used at rail joints and their dimensions can vary depending on the requirements of the different parts of the rail. Rail bolts of suitable diameter and length are generally determined by applicable rail standards. It has many classifications, such as round oval necks, diamond neck rail bolts, and F50-008 standard rail bolts, Russian standard rail bolts and other special requirements for rail bolts.

      According to the relevant railway standards, at least two sets of bolts are required for each rail joint to be fastened, each bolt is tightened to a torque of approximately 400 ft., and the product itself needs to be between 25,000 and 30,000 lbs.

      Railway Bolts

      A) Bolts must be properly sized according to the standard and tightened in place.

      B) Bolts must use spring washers and nuts.

      C) The nut used with the bolt can be selectively mounted on the inside or outside of the rail.

      D) When the bolt and the Fish Plate are removed from the rail, the contact surface with the rail should be clean. The threaded part must be oiled.

      E) Safety standards require replacement and installation of missing and damaged bolts in the rail connection.