These are bolt made up of irregular sizes. Everything that isn’t standard comes into the U.N.F & U.N.C category. They come in various different types and size as displayed above. These are bolt made up of irregular sizes. Everything that isn’t standard comes into the U.N.F & U.N.C category.
They come in various different types and size as displayed above. Also available with a cap head, and also available in fully threaded upon request.