At Birmingham Fastener, we aim to provide you with the knowledge and tools for your project. Our constantly expanding Fastener Learning Hub is full of information and insights for a variety of industries. View bolt length charts, read product comparisons, and find answers to your questions about fasteners.
Bolt Diameter | Width Across Head Flats | Bolt Head Height |
---|---|---|
1/2 | 7/8 | 5/16 |
5/8 | 1-1/16 | 25/64 |
3/4 | 1-1/4 | 15/32 |
7/8 | 1-9/16 | 35/64 |
1 | 1-5/8 | 39/64 |
1-1/8 | 1-13/16 | 11/16 |
1-1/4 | 2 | 25/32 |
1-3/8 | 2-3/16 | 27/32 |
1-1/2 | 2-3/8 | 15/16 |
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