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} |
71 | DF | .~.~ Sleeve having external gripping means {2} |
74 | .~.~.~ Struck from sleeve |