411 / | HD | EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER |
15 | DF | HAVING SEPARATE EXPANDER MEANS {13} |
44 | DF | .~ Including sleeve and distinct tapered expander (e.g., anchor bolt type) {9} |
57.1 | DD | .~.~ Slotted sleeve spread by tapered expander {5} |
59 | .~.~.~ Slot spaced from ends |