2a thread class right-hand 1.120" thread length blind head style 0.190" hole diameter 24 thread quantity per inch furnished with locking element on threads passivate surface treated unf thread series
3a thread class right-hand 0.433" thread length hexagon head style 0.046" hole diameter 32 thread quantity per inch navy special project passivate surface treated unf thread series
3a thread class right-hand 0.550" thread length 0.141" hole diameter 12 thread quantity per inch head is tear drop shape w/locking hole in smaller end of head; head lgth 2.360 in. unjf thread series
3a thread class right-hand 0.843" thread length double hexagon w/hole head style 18 thread quantity per inch passivate surface treated unjf thread series