411 / | HD | EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER |
81 | DF | THREADED FASTENER LOCKED TO A DISCREET STRUCTURE (E.G., PLATE, RAIL, WHEEL) {13} |
114 | .~ Locked by pawl and toothed or tooth-like piece {1} | |
115 | DF | .~.~> Having discrete, reciprocably movable pawl |