flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.688" grip length 125000 single pounds per square inch shear strength passivate surface treated
3a thread class right-hand 0.450" thread length hexagon head style 1.190" grip length 20 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.316" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.425" thread length flat countersunk head style 28 thread quantity per inch navy special project cadmium screw surface treated unf thread series
3a thread class right-hand 0.425" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.425" thread length flat countersunk head style 28 thread quantity per inch navy special project cadmium screw surface treated unf thread series
3a thread class right-hand 0.553" thread length dished hexagon head style 1.552" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.780" thread length hexagon head style 0.440" grip length 20 thread quantity per inch 3 drilled holes in head cadmium surface treated unf thread series
3a thread class right-hand 0.550" thread length hexagon head style 0.060" grip length 24 thread quantity per inch 6 drilled holes in head cadmium surface treated unf thread series
3a thread class right-hand 0.400" thread length dished hexagon head style 0.615" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.640" thread length hexagon head style 3.060" grip length 24 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.400" thread length dished hexagon head style 0.552" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.800" thread length hexagon head style 0.500" grip length 20 thread quantity per inch 3 drilled holes in head cadmium surface treated unf thread series
