3a thread class right-hand 0.694" thread length dished hexagon head style 0.928" grip length 20 thread quantity per inch navy special project unjf thread series
3a thread class right-hand 0.338" thread length dished hexagon head style 0.365" grip length 24 thread quantity per inch aluminum surface treated unjf thread series
3a thread class right-hand 0.338" thread length dished hexagon head style 0.740" grip length 24 thread quantity per inch aluminum surface treated unjf thread series