3a thread class right-hand 0.390" thread length hexagon head style 0.921" grip length 20 thread quantity per inch navy special project cadmium surface treated unjf thread series
2a thread class right-hand 0.375" thread length pan no. 2 head style 24 thread quantity per inch cadmium or zinc screw surface treated unc thread series
3a thread class right-hand 1.677" grip length 24 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand 0.444" thread length hexagon head style 3.240" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.152" thread length flat countersunk head style 56 thread quantity per inch passivate screw surface treated unjc thread series