3a thread class right-hand 0.938" grip length 32 thread quantity per inch 125000 single pounds per square inch shear strength head style is 14 (all except usa) fillister cadmium surface treated unjf thread series
2a thread class right-hand 0.438" thread length button head style 32 thread quantity per inch navy special project cadmium or zinc screw surface treated unc thread series
3a thread class right-hand 0.710" thread length dished hexagon head style 2.365" grip length 20 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.500" thread length hexagon head style 0.070" hole diameter 0.421" grip length 24 thread quantity per inch unf thread series
3a thread class right-hand 0.552" thread length hexagon head style 1.178" grip length 24 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.400" thread length dished hexagon head style 0.610" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.553" thread length dished hexagon head style 1.115" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 0.500" thread length knurled no. 6 head style 20 thread quantity per inch navy special project cotter pin hole in threads 0.125 in. dia; washer welded under head passivate surface treated unf thread series