3a thread class right-hand 0.412" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.313" thread length dished hexagon head style 1.490" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.400" thread length hexagon head style 1.179" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.425" thread length dished hexagon head style 0.990" grip length 28 thread quantity per inch aluminum surface treated unjf thread series
3a thread class right-hand 0.245" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength phosphate fluoride treatment per bac 5861. identify with orange dye or paint on thread end unjf thread series
flush countersunk head style 0.626" grip length 95000 single pounds per square inch shear strength sealant escape groove included. identify with black dye or paint on threadend aluminum surface treated