2a thread class right-hand 0.280" thread length flat countersunk undercut head style 32 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.250" thread length knurled no. 4 head style 24 thread quantity per inch point no. 6 0.125 in. min 0.135 in. max dia 0.156 in. lgangle passivate surface treated unc thread series
2a thread class right-hand 0.183" thread length hexagon head style 0.059" hole diameter 20 thread quantity per inch passivate surface treated unc thread series
2a thread class right-hand 0.345" thread length fillister head style 32 thread quantity per inch navy special project passivate surface treated unc thread series
2a thread class right-hand 0.450" thread length flat countersunk head style 32 thread quantity per inch navy special project cadmium surface treated unc thread series
2a thread class right-hand 0.250" thread length pan no. 2 head style 32 thread quantity per inch point style 6, 0.118 in . min 0.125 in. max dia. 0.090 in. lg by 90 deg of angle passivate surface treated unc thread series