2a thread class right-hand 0.940" thread length hexagon head style 24 thread quantity per inch altered from p/N411099-369 passivate surface treated unf thread series
3a thread class right-hand 0.624" thread length hexagon head style 0.172" grip length 20 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand countersunk w/reverse chamfer head style 0.505" grip length 28 thread quantity per inch 125000 single pounds per square inch shear strength passivate surface treated unjf thread series
3a thread class right-hand 0.297" thread length hexagon extended washer head style 32 thread quantity per inch passivate fastener surface treated unf thread series
3a thread class right-hand 0.345" thread length dished hexagon head style 0.115" grip length 28 thread quantity per inch cadmium or chromate surface treated unjf thread series
3a thread class right-hand 0.381" thread length hexagon head style 0.365" grip length 32 thread quantity per inch passivate surface treated unf thread series