2a thread class right-hand 1.417" thread length flat countersunk head style 32 thread quantity per inch oxide film screw surface treated unf thread series
3a thread class right-hand 0.317" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand 0.378" thread length flat countersunk head style 1.240" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.478" thread length round w/wrench flats chamfered head style 14 thread quantity per inch detent balls in shoulder passivate surface treated unjf thread series
3a thread class right-hand 1.375" thread length pan head style 32 thread quantity per inch passivate screw surface treated finish is chemically blacken unc thread series
3a thread class right-hand 0.338" thread length flat countersunk head style 1.615" grip length 32 thread quantity per inch navy special project internal drive ribbed passivate surface treated unjf thread series
3a thread class right-hand 0.345" thread length dished hexagon head style 0.428" grip length 28 thread quantity per inch cadmium surface treated unjf thread series