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Manufacturers of fasteners often encounter the phenomenon of screw headshots. Many are not very familiar with screw heads. Why do screws headshot? What is the cause of the screw head burst? These are a series of problems, the following Chinese standards The piece network tells you: (Guide: Introduction to the process principle and process flow of chemical anchor bolts)
Analysis of the reasons for the head burst after screw forming is as follows: The main reason is the quality of the screw wire. It may be that the screw wire is not annealed. The quality of the screw wire is too poor, which leads to the headshot of the hardware screw produced. It is a cross-recessed screw, and there should be no major problems as soon as it arrives. The screw is headshot after forming. It is the yield strength of the head that cannot withstand the internal stress.
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