3a thread class right-hand 0.345" thread length dished hexagon head style 0.428" grip length 28 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.600" thread length hexagon head style 28 thread quantity per inch navy special project slotted head concentric hole threaded unjf thread series
2a thread class right-hand 0.406" thread length hexagon head style 16 thread quantity per inch thd relief 5/8 in. dia by 3/32 in. lg. end of bolt rd phosphate surface treated unf thread series
3a thread class right-hand 1.240" thread length hexagon head style 4.315" grip length 20 thread quantity per inch nickel surface treated unjf thread series
3a thread class right-hand 0.547" thread length hexagon head style 16 thread quantity per inch phosphate grip surface treated concentric hole unthreaded unf thread series
2a thread class right-hand 1.125" thread length fillister head style 20 thread quantity per inch interrupted thread 0.187 in. nom lg passivate surface treated unc thread series