M8 vs M10: How to Identify Your Bolt Size

Learn how to determine if you have M8 or M10 bolts by measuring the diameter of the bolt shaft accurately.

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To determine if you have an M8 or M10 bolt, check the diameter of the bolt shaft. M8 bolts are 8mm in diameter while M10 bolts are 10mm. Measure with a caliper or ruler for accuracy.

FAQs & Answers

  1. What tools do I need to measure bolt size? You can use a caliper or a ruler for measuring bolt diameter accurately.
  2. What is the difference between M8 and M10 bolts? M8 bolts measure 8mm in diameter, while M10 bolts are 10mm in diameter.
  3. How can I tell if my bolt is M8 or M10 without measuring? There isn't a reliable way to determine the bolt size without measuring its diameter.
  4. Can I use an M10 nut on an M8 bolt? No, M10 nuts will not fit M8 bolts due to the difference in diameters.

Watch More

For more information on hardware measurements and selections, check out our related videos on bolt sizes and tools for precise measuring.

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