2a thread class right-hand 0.313" thread length truss head style 32 thread quantity per inch cadmium or cadmium screw surface treated unc thread series
3a thread class right-hand 0.400" thread length flat countersunk head style 0.552" grip length 28 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.875" thread length flat chamfer head style 0.047" hole diameter 24 thread quantity per inch cadmium surface treated unrc thread series
2a thread class right-hand 0.625" thread length hexagon head style 20 thread quantity per inch undercut 0.198 in. min, 0.210 in. max dia; 0.039 in. min, 0.045 in. max lg passivate surface treated unc thread series
3a thread class right-hand 0.366" thread length dished hexagon head style 7.740" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.345" thread length dished hexagon head style 0.178" grip length 28 thread quantity per inch pellet-type or strip-type or patch-type element on threads cadmium surface treated unjf thread series
3a thread class right-hand 0.298" thread length dished hexagon head style 0.990" grip length 32 thread quantity per inch cadmium surface treated unjf thread series