3a thread class right-hand 0.290" thread length headless (setscrew) head style 36 thread quantity per inch 1 drilled hole 0.047 in. dia in drive end passivate surface treated unf thread series
3a thread class right-hand 0.312" thread length hexagon head style 24 thread quantity per inch nickel or chromate surface treated concentric hole unthreaded unf thread series
3a thread class right-hand 1.151" thread length flat chamfer head style 0.036" hole diameter 24 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.240" thread length flat chamfer head style 40 thread quantity per inch navy special project passivate surface treated unc thread series
2a thread class right-hand 0.494" thread length hexagon extended washer head style 20 thread quantity per inch cadmium surface treated unc thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.126" grip length 285 single pounds per square inch shear strength any acceptable surface treated
2a thread class right-hand 0.080" thread length hexagon head style 0.062" hole diameter 20 thread quantity per inch anodize surface treated unf thread series
