3a thread class right-hand 0.366" thread length flat countersunk head style 0.240" grip length 24 thread quantity per inch navy special project cadmium surface treated unjf thread series
2a thread class right-hand 1.000" thread length 2.000" overall length 32 thread quantity per inch navy special project cadmium surface treated unf thread series
3a thread class right-hand 0.316" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unf thread series