2a thread class right-hand 0.418" thread length flat countersunk head style 80 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.299" thread length flat countersunk head style 40 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 0.750" thread length round extended washer head style 32 thread quantity per inch cadmium screw surface treated unjf thread series
3a thread class right-hand 1.047" thread length hexagon head style 32 thread quantity per inch passivate screw surface treated internal drive can be optional unjf thread series
