3a thread class right-hand 0.390" thread length flat chamfer head style 28 thread quantity per inch optional knurled head cadmium surface treated unf thread series
3a thread class right-hand 0.323" thread length undercut hexagon head style 0.046" hole diameter 0.740" grip length 32 thread quantity per inch unjf thread series
3a thread class right-hand 0.687" thread length bevel-conical head style 0.070" hole diameter 20 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.338" thread length flat countersunk head style 3a thread quantity per inch cadmium screw surface treated unjf thread series
3a thread class right-hand 0.375" thread length knurled no. 4 head style 32 thread quantity per inch screw with black organic coating passivate spring surface treated unf thread series
3a thread class right-hand 0.096" thread length flat chamfer head style 32 thread quantity per inch navy special project passivate surface treated unrc thread series