flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.478" grip length 75000 single pounds per square inch shear strength cadmium sleeve surface treated
3a thread class right-hand 0.378" thread length flat countersunk head style 0.865" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.338" thread length flat countersunk head style 0.428" grip length 32 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.298" thread length dished hexagon head style 0.052" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.428" thread length dished hexagon head style 3.052" grip length 20 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.288" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series