The high quality acorn cap nut will protect the thread from being corroded or rusted. With an enclosed dome and partially internally threaded, acorn cap nut typically play a good role in decoration.
Material: 304 Stainless Steel 18-8 that you will probably see in your pans and cookery tools. It's used for a wide variety of home and commercial applications. Because of its slightly higher strength and wear resistance than type 316, it's also used for nuts, bolts, screws and other fasteners.