Hillman 180090 Acorn Nut, 5/16-18 Thread, Nickel Acorn nuts, also known as cap nuts, add to the durability of a screw. When threaded on a fastener, the nut will hide the threads and provide a nice finished look. These acorn nuts are hex nuts with an enclosed dome that is partially, internally threaded. They offer protection to threads and a decorative appearance as a finishing fastener. Acorn nuts are often used in hobby and furniture projects.
| SAE/Metric | : | SAE |
| Thread Size | : | 5/16-18 |
| Finish | : | Nickel |