flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 33000 single pounds per square inch shear strength anodize or chromate surface treated
3a thread class right-hand 0.268" thread length flat chamfer head style 0.028" hole diameter 32 thread quantity per inch passivate surface treated unc thread series
2a thread class right-hand 0.210" thread length flat countersunk head style 56 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 0.793" thread length fillister head style 40 thread quantity per inch passivate screw surface treated head color black unc thread series
2a thread class right-hand 0.433" thread length flat countersunk head style 40 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.178" thread length double hexagon extended washer head style 0.047" hole diameter 32 thread quantity per inch unjf thread series
2a thread class right-hand 0.750" thread length hexagon head style 0.750" grip length 20 thread quantity per inch cadmium surface treated unc thread series