3a thread class right-hand 0.3075" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength cadmium surface treated unjc thread series
3a thread class right-hand 0.735" thread length dished hexagon head style 1.365" grip length 20 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.895" thread length dished hexagon head style 5.990" grip length 12 thread quantity per inch cadmium or chromate surface treated unjf thread series
3a thread class right-hand 0.666" thread length dished hexagon head style 1.990" grip length 16 thread quantity per inch cadmium or chromate surface treated unjf thread series
3a thread class right-hand 0.594" thread length dished hexagon head style 1.240" grip length 18 thread quantity per inch cadmium surface treated unjf thread series
Used on m1a2 tank. 2a thread class right-hand 2.500" thread length hexagon head style 13 thread quantity per inch screw shall have full form threads extending to within 2 threads of thebearing surface of the head; hydrogen embrittlement relief mandatory cadmium surface treated unc thread series