These acorn nuts (often called cap nuts) are 655 Silicon Bronze alloy and machined in the USA. They're great for capping off keel bolts, finishing visible bronze knees, or for any other purpose where aesthetics are important. They come un-polished, but polish up very easily.
Other sizes not listed here are available in any of our fasteners. Just get in touch if you can't find the size or type of fastener that you need.
| SIZE | WIDTH ACROSS FLATS | TOTAL HEIGHT |
| 10-24 | 0.361" (9.18mm) | 0.310" (7.87mm) |
| 1/4"-20 | 0.431" (10.95mm) | 0.463" (11.75mm) |
| 5/16-18 | 0.510" (12.95mm) | 0.527" (13.37mm) |
| 3/8"-16 | 0.550" (13.97mm) | 0.605"(15.37mm) |
| 1/2"-13 | 0.740" (18.79mm) | 0.533" (13.54mm) |
To go with your Acorn Nuts, don't forget your silicon bronze washers!
Need an anti-seize and thread protectant for these nuts? Don't forget to add on some Fair Wind Screw Lube.