2a thread class right-hand 1.062" thread length fillister head style 0.031" hole diameter 40 thread quantity per inch passivate screw surface treated unc thread series
1a thread class right-hand 0.750" thread length hexagon head style 40 thread quantity per inch navy special project nickel screw surface treated unf thread series
3a thread class right-hand 0.437" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.437" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.469" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.389" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unf thread series
2a thread class right-hand 0.792" thread length oval countersunk head style 32 thread quantity per inch chromium screw surface treated unf thread series
3a thread class right-hand 0.469" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unf thread series