What does M mean on bolts?
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Benjamin Wilson
Works at the International Monetary Fund, Lives in Washington, D.C., USA.
As an expert in the field of mechanical engineering, I can tell you that the letter "M" on a bolt typically stands for "Metric." This indicates that the bolt conforms to the metric system of measurements, which is widely used internationally for industrial and manufacturing purposes. The metric system is based on units of measurement that are multiples of ten, making it easier to standardize and convert between different units.
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Works at the International Finance Corporation, Lives in Washington, D.C., USA.
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.
2023-04-15 08:00:30
Charlotte Hughes
QuesHub.com delivers expert answers and knowledge to you.
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.