What does screw M5 M6 mean?

1 Answers
MacHazel
07/24/25 1:17am
Screw M5 and M6 refer to screws with diameters of 5 millimeters and 6 millimeters respectively. Here are the specific details: 1. Complete labeling: The letter represents the type of thread, and the number represents the nominal diameter. The complete labeling should also include the thread pitch, thread length, rotation direction, and when necessary, the thread fit tolerance, manufacturing tolerance grade, and surface treatment of the nut and screw. 2. Precautions: If the wear of the screw exceeds 10% during use, the screw should be stopped immediately. Forcing the use of such screws can easily lead to safety accidents, so special attention must be paid.
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