3a thread class right-hand 0.342" thread length knurled no. 1 head style 20 thread quantity per inch strip type locking element on threads unrc thread series
3a thread class right-hand 0.585" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unjc thread series
2a thread class right-hand 0.375" thread length hexagon head style 32 thread quantity per inch navy special project phosphate manganese screw surface treated unf thread series
2a thread class right-hand 1.375" thread length fillister head style 32 thread quantity per inch dichromate zinc screw surface treated unc thread series
3a thread class right-hand flush countersunk head style 0.943" grip length 32 thread quantity per inch 125000 single pounds per square inch shear strength cadmium surface treated unjf thread series
2a thread class right-hand 0.400" thread length fillister head style 32 thread quantity per inch navy special project passivate surface treated unc thread series