3b thread class right-hand 0.395" thread length hexagon head style 0.062" hole diameter 28 thread quantity per inch counterbore threaded unf thread series
3a thread class right-hand 0.602" thread length hexagon head style 1.360" grip length 24 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.345" thread length flat chamfer head style 0.061" hole diameter 16 thread quantity per inch cadmium surface treated unc thread series
2a thread class right-hand 0.250" thread length fillister head style 0.046" hole diameter 32 thread quantity per inch cadmium screw surface treated unf thread series
Used on w/s:helicopter, sea knight h-46; aircraft, f-16. 2a thread class right-hand 0.764" thread length flat countersunk head style 40 thread quantity per inch anodize screw surface treated unc thread series
3a thread class right-hand 0.445" thread length flat chamfer head style 0.044" hole diameter 28 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.351" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 0.438" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 0.922" thread length flat countersunk head style 18 thread quantity per inch passivate screw surface treated unf thread series
2a thread class right-hand 0.545" thread length hexagon head style 3.290" grip length 13 thread quantity per inch cadmium surface treated unc thread series
3a thread class right-hand 0.225" thread length binding head style 56 thread quantity per inch passivate screw surface treated undercut head unc thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.501" grip length 1580 single pounds per square inch shear strength cadmium sleeve surface treated
3a thread class right-hand 0.594" thread length dished hexagon head style 0.562" grip length 20 thread quantity per inch cadmium surface treated unf thread series
