flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.381 mils grip length 33000 single pounds per square inch shear strength anodize or oxide film surface treated
3a thread class right-hand 0.490" thread length double hexagon head style 1.115" grip length 24 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.276" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unjc thread series
3a thread class right-hand 1.250" thread length double hexagon extended washer head style 2.045" grip length 13 thread quantity per inch unc thread series
3a thread class right-hand 0.574" thread length flat countersunk head style 20 thread quantity per inch navy special project cadmium surface treated unjf thread series
3a thread class right-hand 0.401" thread length flat chamfer head style 0.050" hole diameter 28 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.345" thread length dished hexagon head style 0.740" grip length 28 thread quantity per inch passivate surface treated unjf thread series
2a thread class right-hand 1.750" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unf thread series
