3a thread class right-hand 0.275" thread length hexagon head style 32 thread quantity per inch 2 slots, 180 degrees apart, 0.482 in. lg, 0.040 in. distance from end of point passivate surface treated unf thread series
3a thread class right-hand 0.626" thread length dished hexagon head style 2.115" grip length 18 thread quantity per inch cadmium surface treated unjf thread series
Used on special aircraft and engine tool and support equipment and parts. 2a stud thread thread class 2.500" overall length 20 stud thread thread quantity per inch shaft, brake adj unf stud thread thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 2600 single pounds per square inch shear strength anodize surface treated
3a thread class right-hand 0.406" thread length flat countersunk head style 0.990" grip length 32 thread quantity per inch aluminum surface treated unjf thread series
3a thread class right-hand 0.406" thread length flat countersunk head style 1.115" grip length 32 thread quantity per inch aluminum surface treated unjf thread series