2a thread class right-hand 0.324" thread length flat countersunk head style 48 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.344" thread length flat countersunk head style 40 thread quantity per inch navy special project primer or enamel lusterless screw surface treated unc thread series
2a thread class right-hand 0.433" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 1.810" thread length flat chamfer head style 40 thread quantity per inch passivate screw surface treated internal drive style may be slotted or cross recessed unc thread series
2a thread class right-hand 0.851" thread length flat countersunk head style 56 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 1.464" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.175" thread length flat chamfer head style 32 thread quantity per inch navy special project passivate screw surface treated unc thread series
2a thread class right-hand 0.438" thread length flat countersunk head style 56 thread quantity per inch oxide film or cadmium screw surface treated unc thread series
3a thread class right-hand 0.401" thread length flat countersunk head style 28 thread quantity per inch passivate screw surface treated unjf thread series
3a thread class right-hand 0.291" thread length flat countersunk head style 28 thread quantity per inch passivate screw surface treated unjf thread series
2a thread class right-hand 0.202" thread length flat countersunk head style 56 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 1.134" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unf thread series