3a thread class right-hand 0.805" thread length hexagon head style 24 thread quantity per inch cadmium surface treated concentric hole unthreaded unf thread series
3a thread class right-hand 0.447" thread length flat countersunk head style 0.990" grip length 24 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.431" thread length flat countersunk head style 0.802" grip length 28 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.251" thread length flat countersunk head style 0.240" grip length 32 thread quantity per inch passivate surface treated unjc thread series
3a thread class right-hand 2.188" thread length double hexagon extended washer head style 1.312" grip length 12 thread quantity per inch navy special project cadmium surface treated unf thread series
3a thread class right-hand 2.000" thread length double hexagon extended washer head style 1.000" grip length 14 thread quantity per inch navy special project cadmium surface treated uns thread series
1a thread class right-hand 0.802" thread length double hexagon extended washer head style 24 thread quantity per inch nickel surface treated unf thread series