Sizing chart - Imperial to Metric Fasteners Conversion Table
Navigating the world of fasteners requires precision, especially when converting between imperial and metric sizes. Whether you're working in manufacturing, automotive repair, or a DIY project, our comprehensive conversion table will help you quickly find the right metric equivalent for any imperial fastener. Bookmark this page on www.canadabolts.ca for quick access to reliable fastener conversions.
Imperial to Metric Fasteners Conversion Table
| Imperial Fastener Size | Thread Diameter (inches) | Closest Metric Size | Thread Diameter (mm) |
|---|---|---|---|
| 1/8" | 0.125 | M3 | 3.175 |
| 5/32" | 0.156 | M4 | 3.969 |
| 3/16" | 0.188 | M5 | 4.762 |
| 1/4" | 0.250 | M6 | 6.350 |
| 5/16" | 0.313 | M8 | 7.938 |
| 3/8" | 0.375 | M10 | 9.525 |
| 7/16" | 0.438 | M11 | 11.112 |
| 1/2" | 0.500 | M12 | 12.700 |
| 9/16" | 0.563 | M14 | 14.288 |
| 5/8" | 0.625 | M16 | 15.875 |
| 3/4" | 0.750 | M20 | 19.050 |
| 7/8" | 0.875 | M22 | 22.225 |
| 1" | 1.000 | M24 | 25.400 |
| 1 1/8" | 1.125 | M30 | 28.575 |
| 1 1/4" | 1.250 | M32 | 31.750 |
| 1 3/8" | 1.375 | M35 | 34.925 |
| 1 1/2" | 1.500 | M38 | 38.100 |
How to Use This Conversion Table
- Identify the imperial fastener size: Use the table to locate your imperial fastener size in the first column.
- Find the closest metric equivalent: The third column shows the closest metric size, with the diameter in millimeters listed in the fourth column.
- Ensure correct size selection: Use the appropriate fastener size to maintain the structural integrity and compatibility of your project.
Common Applications
This conversion chart is invaluable for professionals and hobbyists working in:
- Automotive Repair: Ensuring parts compatibility in vehicles manufactured with both imperial and metric fasteners.
- Manufacturing: Standardizing fasteners across international supply chains.
- DIY Projects: Facilitating home improvement projects requiring a mix of imperial and metric 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 - Metric to Imperial Fasteners Conversion Table
Imperial Collection : https://canadabolts.ca/collections/all-imperial-bolts-nuts-screws-washers
Metric Collection : https://canadabolts.ca/collections/all-metric-bolts-nuts-screws-washers
Measurements tools : https://canadabolts.ca/collections/other