2a thread class right-hand 0.094" thread length flat countersunk head style 64 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.375" thread length knurled no. 1 head style 32 thread quantity per inch unthreaded portion undercut 0.140 in dia, 0.125 in lg lacquer surface treated unf thread series
3a thread class right-hand 0.920" thread length hexagon head style 28 thread quantity per inch shoulder threaded 0.312-24 unf, 3a; 1.940 in. nom lg cadmium surface treated unf thread series
3a thread class right-hand 0.411" thread length pan head style 32 thread quantity per inch navy special project cadmium screw surface treated unf thread series
3a thread class right-hand 0.418" thread length flat chamfer head style 2.250" grip length 28 thread quantity per inch passivate surface treated unf thread series
2a thread class right-hand 0.187" thread length flat countersunk head style 36 thread quantity per inch cadmium screw surface treated unf thread series
