• Customer case-none standard bolt

    Customer case-none standard bolt

    The end customer is a project on a railroad project in a European country Product requirements: 1. 45-degree chamfering of the tooth pattern 2. 90-deg...

    12-04-2023 Company News
  • 客户案例:铁路工程项目-异性螺栓(L型螺栓)

    客户案例:铁路工程项目-异性螺栓(L型螺栓)

    终端客户是欧洲某国的铁路工程上的项目 产品要求: 1.牙纹倒角45度 2.90度直角不能有折痕 3.表面光洁,平整 4.表面锌层要求8-10um 针对第二点要求,模具需要修改,工艺需要调整,从原来的长力臂压弯变为短力臂压弯,导致机器承受的力变大,机器受力大就会有加速机器损伤的问题,所以一般厂家不愿意...

    12-04-2023 Company News
  • High-strength bolt-thread processing?

    High-strength bolt-thread processing?

     Bolt threads are generally cold-worked, so that the thread blanks within a certain diameter range are passed through the rolling (rolling) wire plate...

    25-01-2021 News
  • What are the specifications of the screws?

    What are the specifications of the screws?

    Screw specification model Example: 4 X 10 PW A H C (+) ① ② ③ ④ ⑤ ⑥ ⑦ ① Screw diameter ② Screw length ③ Screw head type B: Spherical cylindrical head; ...

    18-01-2021 News
  • About frp hexagon flange bolts?

    About frp hexagon flange bolts?

    The utility model relates to the technical field of fasteners, more specifically an FRP hexagonal flange bolt, comprising an FRP nut and an FRP screw....

    11-01-2021 News
  • About the new standard for screws?

    About the new standard for screws?

    In 1986, the country established a new standard for standard parts, commonly known as the new standard. The most used ones are GB5780, GB5781, GB5782,...

    04-01-2021 News