3a thread class right-hand 0.289" thread length round extended washer head style 28 thread quantity per inch anodize screw surface treated unf thread series
3a thread class right-hand 0.292" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 0.485" thread length hexagon head style 0.062" hole diameter 24 thread quantity per inch phosphate surface treated unf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.084 mils grip length 33000 single pounds per square inch shear strength anodize or oxide film surface treated
3a thread class right-hand 0.468" thread length hexagon head style 1.188" grip length 28 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.451" thread length hexagon head style 0.923" grip length 32 thread quantity per inch passivate surface treated unf thread series