Cap Nut, 3/8"-16, Steel, Zinc Plated, 25 PK

Cap nuts, or acorn nuts, are hex nuts with a domed top. They cover the end of the bolt tip, which protects the threads and provides a finished appearance. Since protruding bolt tips can catch skin or clothing, use of cap nuts can also help to prevent injury. Size: 3/8 inch-16 Domed top covers and protects threads Creates a finished appearance Also known as an acorn nut Exposed threads should not be longer than inside height of cap nut Thread Type: Coarse, Thread Class: UNC-2B Specification(s) Met: ASME B1.1