3a thread class right-hand 0.400" thread length flat countersunk head style 0.490" grip length 28 thread quantity per inch aluminum surface treated unjf thread series
3a thread class right-hand 1.125" thread length flat chamfer head style 0.044" hole diameter 24 thread quantity per inch cadmium surface treated unrf thread series
3a thread class right-hand 0.425" thread length dished hexagon head style 0.928" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.425" thread length dished hexagon head style 1.990" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.425" thread length dished hexagon head style 0.990" grip length 28 thread quantity per inch cadmium surface treated unjf thread series