Machine Screw Hex Nuts

Prime‑Line® hex nuts deliver dependable fastening performance for a wide range of home repair, maintenance, and building projects. Designed with a standard six‑sided shape, these nuts are easy to tighten or remove using common wrenches or sockets and provide reliable thread engagement for secure connections. Ideal for use in furniture assembly, appliances, fixtures, shelving, automotive repairs, and general mechanical applications, Prime‑Line hex nuts are intended for use with same‑size matching bolts or machine screws to ensure proper fit and consistent holding strength. Manufactured from quality materials for durability and long‑lasting performance, they install quickly and perform reliably in both indoor and outdoor settings. Trusted by DIY homeowners and professionals across the U.S., Prime‑Line hex nuts make fastening simple, strong, and dependable. Prime-Line Finish: Stainless Steel, Size: 3.95" H x 2.9" W x 0.2" D