3a thread class right-hand headless (setscrew) head style 32 thread quantity per inch navy special project color black oxide surface treated unf thread series
3a thread class right-hand 0.429" thread length dished hexagon head style 0.428" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand flush countersunk head style 1.255" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength color bronze cadmium surface treated unjf thread series
