Shijiazhuang Duwa Piping Co., Ltd.
Help you identify the pattern of thread pictures under different standards
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In accordance with the use, there are three major categories:
First, the thread is connected to the fastening, that is, the bolt and nut;
Second, transmission thread, that is the kind of lathe cutter;
Third, pipe thread, pipe connection.
According to the standard, there are the following:
