2a thread class right-hand 1.074" thread length flat countersunk head style 56 thread quantity per inch passivate screw surface treated unc thread series
2b thread class right-hand 0.500" thread length pan head style 32 thread quantity per inch passivate screw surface treated to be made from MS51957-12 unc thread series
2a thread class right-hand 0.294" thread length pan no. 2 head style 40 thread quantity per inch navy special project cadmium screw surface treated unc thread series
3a thread class right-hand 0.297" thread length fillister head style 48 thread quantity per inch navy special project nickel screw surface treated unf thread series
2a thread class right-hand 1.813" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.376" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjf thread series
3a thread class right-hand 0.376" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjf thread series
2a thread class right-hand 0.442" thread length flat countersunk head style 24 thread quantity per inch passivate screw surface treated unjf thread series
3a thread class right-hand 0.797" thread length hexagon head style 0.046" hole diameter 32 thread quantity per inch chromate screw surface treated unjf thread series