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What are the screw thread form?

Standard self-tapping screw identification characters, including symbols representing the shape of the thread and tail. Self-tapping screws have one or two characters representing threads to represent the machine......

Fasteners steel is still required to meet the strict...

At present, China is already a large fastener producer, but it has been facing claims caused by quality problems......

Standard parts three common materials

According to the current demand of the hardware market, the use of materials is also very important for standard parts, and the standard parts materials that may be used in different applications are......

Fasteners (standard parts) professional knowledge daquan...

The content of this article is mainly divided into three parts: 1. Classification of fasteners 2. Identification and inspection of threads 3. Material requirements and heat treatment requirements for bolts, screws and studs......

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