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  • What is M in bolts?

    Questioner:Avery Martinez 2023-04-07 08:00:24
The most authoritative answer in 2024
  • Lincoln Brown——Works at the International Olympic Committee, Lives in Lausanne, Switzerland.

    As a subject matter expert in the field of mechanical engineering, I can provide you with an accurate explanation of the term "M" in the context of bolts.

    In the context of fasteners such as bolts, "M" stands for the metric unit of thread size. The "M" is followed by a number which indicates the diameter of the bolt in millimeters. For example, an "M8" bolt has a nominal diameter of 8 millimeters. The pitch of the threads is also standardized within the metric system, allowing for consistent and interchangeable parts.

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  • Ethan Davis——Works at the World Health Organization, Lives in Geneva, Switzerland.

    The first number in a metric bolt specification refers to the bolt's nominal outer diameter. For example, a bolt specified as "M6-1.0 x 30" fits a 6.0-mm diameter hole. The "M" indicates that it is a metric size. Keep in mind that metric bolts are usually slightly smaller than their specified diameter.read more >>
    +119962023-04-17 08:00:24

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