2a thread class right-hand 0.214" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.354" thread length hexagon head style 24 thread quantity per inch navy special project cadmium surface treated unf thread series
3a thread class right-hand 0.354" thread length hexagon head style 24 thread quantity per inch navy special project cadmium surface treated unf thread series
2a thread class right-hand 0.245" thread length knurled no. 2 head style 32 thread quantity per inch point style no. 6, 0.120 in. min, 0.130 in. max lg, 55 to 65 deg chamfer angle, 0.114 in. min, 0.130 in. max dia unf thread series
3a thread class right-hand countersunk w/reverse chamfer head style 0.189" grip length 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand 0.450" thread length round w/wrench flats chamfered head style 24 thread quantity per inch cadmium surface treated unf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.063" grip length 450 single pounds per square inch shear strength any acceptable surface treated