3a thread class right-hand 0.200" thread length dished hexagon head style 1.125" grip length 20 thread quantity per inch passivate surface treated unjf thread series
2a thread class right-hand 0.165" thread length pan no. 2 head style 40 thread quantity per inch navy special project cadmium screw surface treated unc thread series
3a thread class right-hand 0.277" thread length flat chamfer head style 1.125" grip length 28 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.442" thread length double hexagon head style 0.365" grip length 24 thread quantity per inch passivate surface treated unjf thread series