3a thread class right-hand 0.316" thread length flat countersunk head style 4.500" grip length 28 thread quantity per inch navy special project cadmium surface treated unf thread series
3a thread class right-hand 0.652" thread length dished hexagon head style 1.750" grip length 14 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.304" thread length hexagon head style 0.046" hole diameter 0.047" grip length 28 thread quantity per inch unf thread series
2a thread class right-hand 1.500" thread length 3.560" overall length 13 thread quantity per inch cadmium or zinc surface treated round, closed unc thread series
2a thread class right-hand 0.810" thread length 2.120" overall length 20 thread quantity per inch hardness rating rockwell superficial 30-n, 73.0 min 76.6 max for ball, rockwell c 25.0 min 40.0 max for shank ball unf thread series
3a thread class right-hand 0.452" thread length hexagon head style 0.796" grip length 28 thread quantity per inch paint surface treated unf thread series
3a thread class right-hand 0.688" thread length hexagon head style 1.312" grip length 24 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.889" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unf thread series