3a thread class right-hand 0.361" thread length flat chamfer head style 32 thread quantity per inch navy special project passivate surface treated unc thread series
2a thread class right-hand 0.210" thread length pan head style 32 thread quantity per inch navy special project oxide surface treated unc thread series
2a thread class right-hand 0.156" thread length flat countersunk undercut head style 40 thread quantity per inch passivate surface treated unc thread series
2a thread class right-hand 0.484" thread length pan head style 20 thread quantity per inch navy special project cadmium surface treated unc thread series
2a thread class right-hand 0.230" thread length flat chamfer head style 32 thread quantity per inch navy special project oxide surface treated unc thread series