3a thread class right-hand 0.398" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.406" thread length flat countersunk head style 32 thread quantity per inch chromate screw surface treated unf thread series
3a thread class right-hand 0.438" thread length double hexagon extended washer head style 32 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.500" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unf thread series
2a thread class right-hand 0.313" thread length pan head style 40 thread quantity per inch oxide screw surface treated head finished black color N0.37038 of fed.std.no.595 per mil-f-18264 unc thread series
3a thread class right-hand 0.367" thread length hexagon head style 0.062" hole diameter 28 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.187" thread length headless (setscrew) head style 20 thread quantity per inch cadmium or chromate zinc surface treated unc thread series
3a thread class right-hand 0.500" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.830" thread length flat chamfer head style 0.037" hole diameter 32 thread quantity per inch passivate surface treated unc thread series