2a thread class right-hand 1.750" thread length flat countersunk head style 24 thread quantity per inch anodize screw surface treated unc thread series
3a thread class right-hand 0.276" thread length flat countersunk head style 0.552" grip length 32 thread quantity per inch aluminum surface treated unjf thread series
3a thread class right-hand 0.469" thread length dished hexagon head style 1.428" grip length 24 thread quantity per inch aluminum surface treated unjf thread series
3a thread class right-hand 0.375" thread length flat countersunk head style 2.740" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.710" thread length hexagon head style 1.740" grip length 20 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.497" thread length double hexagon head style 1.375" grip length 24 thread quantity per inch passivate surface treated unjf thread series