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Professional production and sales of China GB, ANSI, JIS, DIN, BS standard high-quality stainless steel machine screws, self-tapping screws, nuts; Stainless steel, copper, aluminum hollow rivets

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What are the types of screw fasteners?

The screw is a tool that uses the physical and mathematical principles of the inclined plane circular rotation and friction force of the object to tighten the parts step by step.

2023

What are the surface treatments for electroplating screw fasteners?

For the production of fastener screws, surface treatment is an inevitable process, many manufacturers are asking about the surface treatment of fastener screws, we have summarized the common surface treatment of fastener screws in eight forms, such as: black (blue), phosphating, hot dipping zinc, dacromet, electrogalvanizing, chrome plating, nickel plating and zinc plating. The fastener screw surface treatment is the process of forming a covering layer on the surface of the workpiece by a certain method, and its purpose is to give the product surface beauty and anti-corrosion effect.

2023

Standard specification for screws

Standards are norms, and each country and sector has its own standards. At present, the standards we most commonly use in peacetime are as follows:

2023

How to prevent locking of stainless steel fasteners?

Lock, also known as bite. The specific performance is that the screw and the nut adhere in the tightening process, can not screw in or out, and lead to a series of serious consequences, which is a problem that has plagued the stainless steel fastener industry for a long time.

2023

Cause analysis and solution of GO failure

300 series stainless steel products due to the soft characteristics of the material, in the production, transportation and other mobile process is easy to produce tooth damage, at present, the entire industry there are small external thread tooth damage. When this kind of slight tooth injury, it is recommended to exert a little force, and the ring gauge can be passed, which can be regarded as qualified.

2023

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