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  • What are the classifications of screws?

    What are the classifications of screws?

    A screw is a tool that uses the physics and mathematics of the oblique rotation of the object and the friction force to gradually tighten the utensils and parts. It is an indispensable industrial necessity. In fact, screws are a general term for fasteners, and those with external threads can be call... read more

    Dec 24,2021 Industry News
  • How to avoid the seizure of stainless steel screws and stainless steel nuts?

    How to avoid the seizure of stainless steel screws and stainless steel nuts?

    Generally, stainless steel screw manufacturers do not recommend the use of stainless steel screws and stainless steel nuts together. The reason why stainless steel screws and nuts cannot be used together is that stainless steel bolts and nuts are often seized after being tightened during the assembl... read more

    Dec 17,2021 Industry News
  • What are the methods and precautions for machine tapping?

    What are the methods and precautions for machine tapping?

    Due to the problem of low efficiency and unstable quality of hand tapped threads, in actual mass production, machine tapped threads with good quality, high efficiency and low production cost are mainly used. However, in the process of machine tapping, we must also use machines and tools correctly, o... read more

    Dec 10,2021 Industry News
  • How to tap the thread by hand and precautions?

    How to tap the thread by hand and precautions?

    At present, hand tapping threads still occupies a certain position in machinery, because in actual production, some threaded holes are not suitable for machine tapping threads due to the limitation of the location or the shape of the parts. Because the diameter of the threaded hole is small, the str... read more

    Dec 02,2021 Industry News
  • What are the principles and causes of screw hydrogen embrittlement?

    What are the principles and causes of screw hydrogen embrittlement?

    Hydrogen embrittlement usually manifests as delayed fracture under stress. There have been galvanized parts such as automobile springs, washers, screws, leaf springs, etc., which fractured within a few hours after assembly, and the fracture ratio reached 50% of 40%. A certain special product cadmium... read more

    Nov 23,2021 Industry News
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