Product Details
The 5/16-18 x 2 1/2 serrated hex flanged washer indented U/C full thread SCR case hard zinc bake features an indented hex washer head that provides the advantages of a hex head while also offering greater protection to the mating surface. This product is specifically designed to enhance grip and reduce the risk of loosening over time, making it suitable for applications requiring a secure fastening solution. The case hard zinc finish ensures durability and resistance to corrosion, making it ideal for both indoor and outdoor use.








