Engineered for reliability and strength, these zinc-plated steel lock nuts are an essential component for any secure fastening project. The WHIZ LOCK NUTS5/16-18 offer a coarse threading that ensures a firm grip, making them perfect for both DIY enthusiasts and professional tradespeople. With a pack of 100, you'll have plenty on hand to tackle multiple projects, all while benefiting from the rust-resistant properties of their zinc coating.