What Is the Difference Between M8 and M10 Bolts? Diameter, Strength, and Uses Explained

Learn the key differences between M8 and M10 bolts, including size, strength, and applications to help you choose the right bolt for your project.

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M8 and M10 bolts differ primarily in their diameter. M8 bolts have a diameter of 8 millimeters, while M10 bolts are 10 millimeters in diameter. This size difference affects their strength and the size of the hole they will fit into. For applications requiring more strength, an M10 bolt is generally preferable. Always ensure to match your bolt size with the required specifications for safety and functionality.

FAQs & Answers

  1. What is the diameter difference between M8 and M10 bolts? M8 bolts have an 8 millimeter diameter, while M10 bolts have a 10 millimeter diameter.
  2. Which is stronger, an M8 or an M10 bolt? Generally, M10 bolts are stronger than M8 bolts due to their larger diameter.
  3. When should I use an M10 bolt instead of an M8 bolt? Use an M10 bolt when you need higher strength or a larger bolt size to fit bigger holes and handle more demanding applications.
  4. Can I replace an M8 bolt with an M10 bolt? No, you should match the bolt size to the hole and application requirements; M10 bolts won’t fit in M8-sized holes.

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