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  • High-strength bolt processing technology

    High-strength bolt processing technology

    Drawing The drawing process has two purposes. One is to change the size of the raw material; the other is to obtain basic mechanical properties of the fastener through deformation strengthening. For medium carbon steel and medium carbon alloy steel, there is another purpose, that is, to make wire ro... read more

    Dec 14,2020 Industry News
  • How to install anchor bolts accurately?

    How to install anchor bolts accurately?

    1. Control accuracy This method adopts the method of mold making, that is, standardized operation specifications. First, based on the size of the bolt, the high precision of the mold is unified. Whether it is directly buried or after the method is buried, it has an integrated mold. Accuracy and stan... read more

    Dec 03,2020 Industry News
  • What is high-strength bolt spheroidizing annealing?

    What is high-strength bolt spheroidizing annealing?

    When countersunk head screws and hexagon socket head bolts are produced by cold heading, the original structure of the steel will directly affect the forming ability during cold heading. In the process of cold heading, the plastic deformation of the local area can reach 60%-80%. For this reason, the... read more

    Nov 19,2020 Industry News
  • Protective measures for the threads of anchor bolts

    Protective measures for the threads of anchor bolts

    Protection of threads 1. The anchor bolts that match the steel structure should pay attention to protecting the threads during transportation, packing, unpacking, and leaving the factory. The correct method of protection is to wrap the thread with oiled paper and hemp to prevent rust and damage. It ... read more

    Nov 28,2020 Industry News
  • What is the process standard for high-strength bolts?

    What is the process standard for high-strength bolts?

    1 Materials and main equipment: 1.1 Bolts, nuts, washers should be accompanied by quality certificates, and should meet the design requirements and national standards. 1.2 High-strength bolts should be classified and stored according to specifications, and protected from rain and moisture. Do not us... read more

    Nov 12,2020 Industry News
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