| 411 / | HD | EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER |
| 190 | DF | HAVING STRUCTURE TO RESTRICT ROTATION OF THREADED, MATING PIECES (E.G., NUT LOCK) {13} |
| 333 | DF | .~ By deformation of a threaded element {1} |
| 334 | | .~.~ Plastic deformation {1} |
| 335 | DF | .~.~.~> Of an internally threaded element {1} |