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What is M8 Thread Size?

What is M8 Thread Size?

Understanding the M8 Thread Size: A Comprehensive Guide

Threads are an integral part of various industries, facilitating the assembly of different components. The M8 thread size is a specific metric thread standard widely used across engineering, manufacturing, and construction sectors. Let’s delve into the details of what exactly the M8 thread size entails.

What is the M8 Thread Size?

The designation ‘M8’ refers to a metric thread size, specifically indicating the nominal outer diameter and pitch (the distance between adjacent threads) of the screw or bolt. In this case, “M” stands for metric, and “8” denotes the nominal outer diameter in millimeters.

Understanding Metric Threads:

Metric threads are categorized by their diameter and pitch. The diameter is represented by the first part of the designation (e.g., M8, M10), while the pitch, indicating the distance between threads, is denoted by a number following an ‘x’ (e.g., M8x1.25).

Where is the M8 Thread Size Used?

  • Construction and Manufacturing: M8 threads find extensive use in various industries, including construction, automotive, machinery, and electronics. They are employed in fastening applications, connecting parts and components securely.
  • Standardization: The metric system, including metric threads like M8, is widely standardized, allowing for uniformity in manufacturing and ease of interchangeability across different products and industries.

Specifications of M8 Threads:

  • Nominal Diameter: The M8 thread has a nominal outer diameter of 8 millimeters.
  • Pitch: The pitch of an M8 thread can vary. For instance, an M8x1.25 thread has a pitch of 1.25 millimeters, indicating the distance between adjacent threads.
  • Thread Design: The M8 thread follows a V-shaped thread profile, commonly known as the metric thread profile, ensuring effective engagement and stability when fastening components together.

Practical Applications:

  • Fasteners: M8 bolts, screws, and nuts are widely used for various applications where a strong and reliable connection is required, such as assembling machinery, automotive components, or securing structural elements.
  • DIY Projects: Hobbyists and DIY enthusiasts frequently use M8 threads due to their availability and compatibility with a range of materials, making them suitable for projects requiring secure fastening.


Understanding the M8 Thread Size is crucial for engineers, manufacturers, and DIY enthusiasts alike. Its adoption as a standardized metric thread facilitates seamless compatibility across diverse industries, offering reliability and uniformity in assembly and construction.

Whether it’s securing critical components in machinery or being part of a DIY project, the M8 thread size continues to be a cornerstone in the world of fasteners, offering robustness and versatility in various applications.

In conclusion, the M8 thread size’s prominence and reliability make it an indispensable component in the realm of fastening solutions, contributing significantly to the efficiency and stability of diverse engineering and construction endeavors.

Bhansali Metalloys Inc is one of the leading Manufacturer, Exporters, and Suppliers of High Quality M8 Thread Size all over in India. We are Manufacturer, Supplier and Dealer of various types of Fasteners such as Bolts, Nuts, Threaded Rods, Screws, Washers and many more. We are M8 Thread Size Manufacturer in India. These M8 Thread Size are available in different grades and materials. We are M8 Thread Size Manufacturer, Supplier, Dealer, and Exporter in India. We are M8 Thread Size Supplier in India. Contact Us +919152160158 or email to for M8 Thread Sizeprice list.

For our full list of products that we offer check out our website here. Be sure to join the conversation in our Facebook, Instagram, Twitter, LinkedIn Group.

Each Stainless Steel M8 Thread Size is otherwise designed based on the characteristics of the applying and additionally the pressure. Consequently, different industries use different M8 Thread Size. We also produce customized M8 Thread Size Products at our factory as per our client’s requirements. For any types of M8 Thread Size Price List Call on +91 9152160158 or drop an Email to |

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