3a thread class right-hand 0.345" thread length dished hexagon head style 0.678" grip length 28 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.774" thread length flat chamfer head style 0.044" hole diameter 28 thread quantity per inch cadmium surface treated unrf thread series
3a thread class right-hand 0.320" thread length hexagon head style 0.046" hole diameter 28 thread quantity per inch shoulder 0.100 long, and 0.432 dia. counterbore threaded unf thread series
Used on aircraft, eagle f-15. 3a thread class right-hand 0.623" thread length double hexagon head style 2.802" grip length 20 thread quantity per inch unf thread series
2a thread class right-hand 0.292" thread length fillister head style 0.063" hole diameter 28 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.776" thread length flat chamfer head style 0.044" hole diameter 24 thread quantity per inch cadmium surface treated unrf thread series
3a thread class right-hand 0.756" thread length flat countersunk head style 1.552" grip length 20 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.756" thread length flat countersunk head style 1.490" grip length 20 thread quantity per inch navy special project cadmium surface treated unf thread series
3a thread class right-hand 1.250" thread length flat chamfer head style 24 thread quantity per inch cadmium fastener surface treated unrf thread series
2a thread class right-hand 0.300" thread length hexagon head style 0.062" hole diameter 20 thread quantity per inch cadmium surface treated unc thread series
3a thread class right-hand 0.849" thread length flat chamfer head style 28 thread quantity per inch point end threaded no. 4-40 unc-2b 0.375 in. deep passivate surface treated unf thread series
