Sizing chart - Metric to Imperial Fasteners Conversion Table
Working across different measurement systems can be challenging, especially when converting metric fastener sizes to imperial. This comprehensive conversion table provides accurate equivalents for metric fasteners in imperial sizes, making it easier to select the right fastener for your project. Save this page on www.canadabolts.ca for quick and easy reference.
Metric to Imperial Fasteners Conversion Table
| Metric Fastener Size | Thread Diameter (mm) | Closest Imperial Size | Thread Diameter (inches) |
|---|---|---|---|
| M3 | 3 | 1/8" | 0.125 |
| M4 | 4 | 5/32" | 0.156 |
| M5 | 5 | 3/16" | 0.188 |
| M6 | 6 | 1/4" | 0.250 |
| M8 | 8 | 5/16" | 0.313 |
| M10 | 10 | 3/8" | 0.375 |
| M11 | 11 | 7/16" | 0.438 |
| M12 | 12 | 1/2" | 0.500 |
| M14 | 14 | 9/16" | 0.563 |
| M16 | 16 | 5/8" | 0.625 |
| M20 | 20 | 3/4" | 0.750 |
| M22 | 22 | 7/8" | 0.875 |
| M24 | 24 | 1" | 1.000 |
| M30 | 30 | 1 1/8" | 1.125 |
| M32 | 32 | 1 1/4" | 1.250 |
| M35 | 35 | 1 3/8" | 1.375 |
| M38 | 38 | 1 1/2" | 1.500 |
How to Use This Conversion Table
- Identify the metric fastener size: Locate your metric fastener size in the first column.
- Find the closest imperial equivalent: The third column provides the closest imperial size, along with the diameter in inches in the fourth column.
- Ensure correct size selection: Use the appropriate fastener size to maintain structural integrity and compatibility.
Common Applications
This conversion chart is essential for:
- Automotive Repairs: Ensuring correct part replacement in vehicles using both metric and imperial fasteners.
- Manufacturing: Facilitating standardization of fasteners across international supply chains.
- DIY Projects: Helping with home improvements that require both metric and imperial fasteners.
Additional Resources
- Thread Pitch Comparison - Compare thread pitch between imperial and metric fasteners.
- Fastener Strength Guide - Learn about the different grades and strength levels of fasteners.
Sizing chart - Imperial to Metric Fasteners Conversion Table
Metric Collection : https://canadabolts.ca/collections/all-metric-bolts-nuts-screws-washers
Imperial Collection : https://canadabolts.ca/collections/all-imperial-bolts-nuts-screws-washers
Measurements tools : https://canadabolts.ca/collections/other