3a thread class right-hand 1.917" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 1.542" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.544" thread length hexagon head style 0.938" grip length 28 thread quantity per inch tensile strength at room temperature passivate surface treated unf thread series
3a thread class right-hand 0.544" thread length hexagon head style 0.062" grip length 28 thread quantity per inch tensile strength at room temperature passivate surface treated unf thread series
3a thread class right-hand 0.544" thread length hexagon head style 1.188" grip length 28 thread quantity per inch tensile strength at room temperature passivate surface treated unf thread series
3a thread class right-hand 0.514" thread length hexagon head style 1.110" grip length 28 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.544" thread length hexagon head style 1.062" grip length 28 thread quantity per inch tensile strength at room temperature passivate surface treated unf thread series
Used on aircraft, f-111 (fms only);aircraft, starlifter c-141;a-10 thunderbolt. 3a thread class right-hand 0.828" thread length double hexagon w/hole head style 1.750" grip length 18 thread quantity per inch cadmium surface treated unjf thread series