3a thread class right-hand 0.469" thread length flat chamfer head style 0.047" hole diameter 32 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 1.125" thread length hexagon head style 0.078" hole diameter 16 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.307" thread length fillister extended washer head style 0.060" hole diameter 32 thread quantity per inch unc thread series
3a thread class right-hand 0.375" thread length flat chamfer head style 0.047" hole diameter 32 thread quantity per inch passivate surface treated unf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.376" grip length anodize sleeve or chromate sleeve surface treated
2a thread class right-hand 0.596" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.340" thread length hexagon head style 3.860" grip length 28 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.750" thread length double hexagon extended washer head style 28 thread quantity per inch nickel surface treated unf thread series