2a thread class right-hand 0.339" thread length round head style 56 thread quantity per inch navy special project passivate screw surface treated unc thread series
3a thread class right-hand 0.412" thread length double hexagon extended washer head style 0.615" grip length 28 thread quantity per inch navy special project passivate surface treated unjf thread series
3a thread class right-hand 0.425" thread length flat countersunk head style 1.178" grip length 28 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.702" thread length hexagon head style 28 thread quantity per inch cadmium screw surface treated 2 slots, 180 deg apart from 0.060 in. below head to fast end; flared end 0.044 in. lg unf thread series
3a thread class right-hand 0.577" thread length hexagon head style 28 thread quantity per inch cadmium screw surface treated 2 slots, 180 deg apart from 0.060 in. below head to fast end; flared end 0.040 in. lg unf thread series
2a thread class right-hand 0.276" thread length binding head style 56 thread quantity per inch passivate screw surface treated max temp rating 250 degree fahrenheit unc thread series
3a thread class right-hand 0.514" thread length hexagon head style 28 thread quantity per inch cadmium screw surface treated 2 slots 180 deg apart from 0.060 in. below head to fast end; flared end 0.040 in. lg unf thread series
3a thread class right-hand 0.875" thread length flat chamfer head style 16 thread quantity per inch age harden to 1075 degrees lubricant fastener surface treated unc thread series
