3a thread class right-hand 0.179" thread length flat countersunk keyed head style 24 thread quantity per inch navy special project passivate surface treated unc thread series
3a thread class right-hand 0.740" thread length flat chamfer head style 0.062" hole diameter 20 thread quantity per inch cadmium surface treated unc thread series
3a thread class right-hand 1.125" thread length flat chamfer head style 0.055" hole diameter 18 thread quantity per inch cadmium surface treated unc thread series
3a thread class right-hand 1.475" thread length bevel-conical head style 0.050" hole diameter 12 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.547" thread length bevel-conical head style 24 thread quantity per inch 6drilled holes cadmium surface treated unf thread series
3a thread class right-hand 0.687" thread length bevel-conical head style 0.055" hole diameter 24 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.813" thread length 0.062" hole diameter 20 thread quantity per inch navy special project cadmium surface treated unjf thread series