3a thread class right-hand 0.256" thread length hexagon head style 0.552" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.381" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 0.514" thread length hexagon head style 1.860" grip length 28 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.320" thread length pan head style 0.240" grip length 32 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.320" thread length pan head style 0.428" grip length 32 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.355" thread length hexagon head style 0.302" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.657 mils grip length 11800 double pounds per square inch shear strength cadmium bolt surface treated