Shouldered And Stepped Stud

A headless fastener not exceeding 12 inches (304.8 mm) in length, threaded externally on both ends, on which the diameter of one threaded section is greater than the other. All or part of the unthreaded section is greater than the major diameter of the largest threaded section. It may be thread relieved. Excludes items with tapered threads. See also stud, locked in.