3a thread class right-hand 0.158" thread length flat chamfer head style 0.033" hole diameter 32 thread quantity per inch passivate surface treated unrc thread series
2a thread class right-hand 0.125" thread length fillister head style 0.037" hole diameter 40 thread quantity per inch passivate surface treated unc thread series
3a thread class right-hand 0.290" thread length flat countersunk head style 1.302" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.378" thread length flat countersunk head style 0.240" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 1.000" thread length hexagon head style 0.062" hole diameter 16 thread quantity per inch cadmium surface treated unc thread series
Used on controllable pitch propeller board 270 ft wmec coast guard vessels. 2a thread class right-hand 48.0mm thread length hexagon extended washer head style m thread series
3a thread class right-hand 0.307" grip length 32 thread quantity per inch pin-collar assembly; 0.303 in. to 0.307 in. collar o/d anodize washer surface treated unf thread series