3a thread class right-hand 0.625" thread length headless (setscrew) head style 20 thread quantity per inch unthreaded P0RTI0n L0cated at drive end 0.375 in. lg by 0.297 in. min, 0.300 in. max dia unf thread series
2a thread class right-hand 0.813" thread length flat countersunk head style 32 thread quantity per inch navy special project anodize screw surface treated unf thread series
2a thread class right-hand 0.438" thread length flat countersunk head style 32 thread quantity per inch anodize screw surface treated unf thread series
2a thread class right-hand 0.750" thread length hexagon head style 0.062" hole diameter 28 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.656" thread length flat countersunk head style 20 thread quantity per inch navy special project passivate screw surface treated unf thread series
3a thread class right-hand 0.459" thread length hexagon head style 0.990" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.656" thread length flat countersunk head style 20 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 0.663" thread length hexagon head style 1.500" grip length 24 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 1.000" thread length flat chamfer head style 0.047" hole diameter 32 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 1.000" thread length headless (setscrew) head style 24 thread quantity per inch cadmium or zinc surface treated unc thread series