3a thread class right-hand 1.114" thread length double hexagon w/hole head style 14 thread quantity per inch cadmium surface treated concentric hole unthreaded uns thread series
3a thread class right-hand 0.500" thread length hexagon head style 0.070" hole diameter 28 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.554" thread length flat countersunk head style 28 thread quantity per inch passivate screw surface treated unf thread series
2a thread class right-hand 0.126" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.407" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 1.687" thread length dee chamfer head style 14 thread quantity per inch navy special project two 9/64 drill holes 7/32X90 deg on 5/16 in. bc on thread end unf thread series