3a thread class right-hand 0.569" thread length dished hexagon head style 0.490" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 1.000" overall length 28 thread quantity per inch navy special project one keyway 0.062 in. min, 0.067 in.max, w, 0.048 in. min, 0.049 in. max, deep passivate surface treated unf thread series
universal head style 0.251" grip length 495 single pounds per square inch shear strength self-locking anodize sleeve or chromate sleeve surface treated
universal head style 0.025" grip length 495 single pounds per square inch shear strength self-locking anodize sleeve or chromate sleeve surface treated
3a thread class right-hand 0.751" thread length flat countersunk head style 0.990" grip length 18 thread quantity per inch cadmium surface treated unf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.251" grip length 1090 single pounds per square inch shear strength self-locking anodize sleeve or chromate sleeve surface treated
2a thread class right-hand 0.229" thread length flat chamfer head style 64 thread quantity per inch under side of head chamfered 0.010 in. to 0.020 in. high, 40.0 to 50.0 degree chamfer unf thread series