Normal sized hex finish nuts in a true 655 Silicon Bronze alloy.
If heavy nuts are required for your application (recommended on keel bolts for example) they can be found here.
Need an anti-seize and thread protectant for these nuts? Don't forget to add on some Fair Wind Screw Lube.
| Nominal Size | Width Across The Flats | Thickness |
| 1/4" | 7/16" | 7/32" |
| 5/16" | 1/2" | 17/64" |
| 3/8" | 9/16" | 21/64" |
| 7/16" | 11/16" | 3/8" |
| 1/2" | 3/4" | 7/16" |
| 9/16" | 7/8" | 31/64" |
| 5/8" | 1 5/16" | 35/64" |
| 3/4" | 1 1/8" | 41/64" |
| 7/8" | 1 5/16" | 3/4" |
| 1" | 1 1/2" | 55/64" |
| 1 1/8" | 1 11/16" | 31/32" |
| 1 1/4" | 1 7/8" | 1 1/16" |
| 1 3/8" | 2 1/16" | 1 11/64" |
| 1-1/2" | 2 1/4" | 1 9/32" |