3a thread class right-hand 0.578" thread length dished hexagon head style 0.178" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.425" thread length dished hexagon head style 1.052" grip length 28 thread quantity per inch aluminum surface treated unjf thread series
2a thread class right-hand 0.425" thread length hexagon head style 12 thread quantity per inch counterbore diameter 0.781" min counterbore unthreaded unf thread series
Used on pacer special. 3a thread class right-hand 0.573" thread length flat keyed head style 12 thread quantity per inch hhole in head unjf thread series
3a thread class right-hand flush countersunk head style 0.745" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength unjc thread series
3a thread class right-hand 0.750" thread length flat chamfer head style 0.061" hole diameter 16 thread quantity per inch passivate surface treated unc thread series