3a thread class right-hand 0.360" thread length button head style 32 thread quantity per inch navy special project anodize surface treated unc thread series
3a thread class right-hand 1.061" thread length hexagon head style 0.672" grip length 16 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.443" thread length flat countersunk head style 1.052" grip length 28 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.610" thread length hexagon head style 20 thread quantity per inch strip type locking element in threads 0.440 in. long cadmium or zinc surface treated unf thread series
2a thread class right-hand 0.190" thread length flat chamfer head style 80 thread quantity per inch navy special project nickel surface treated unf thread series
3a thread class right-hand 0.267" thread length flat countersunk head style 1.490" grip length 28 thread quantity per inch cadmium surface treated unjf thread series