2a thread class right-hand 0.267" thread length flat chamfer head style 40 thread quantity per inch thd relief 0.031 in. lg passivate surface treated unc thread series
3a thread class right-hand 0.697" thread length flat countersunk head style 20 thread quantity per inch cadmium screw surface treated unf thread series
2a thread class right-hand 0.500" thread length hexagon head style 24 thread quantity per inch shank undercut next to head 0.290 to 0.310 in. dia phosphate surface treated unf thread series
2a thread class right-hand 0.375" thread length headless (setscrew) head style 18 thread quantity per inch cadmium or zinc surface treated unc thread series
3a thread class right-hand 0.495" thread length flat chamfer head style 0.047" hole diameter 24 thread quantity per inch cadmium surface treated unc thread series
3a thread class right-hand 0.406" thread length hexagon head style 0.046" grip length 28 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.813" thread length hexagon head style 1.312" grip length 20 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.813" thread length hexagon head style 0.312" grip length 20 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.070" thread length headless (setscrew) head style 40 thread quantity per inch chromate zinc surface treated unc thread series
3a thread class right-hand 0.156" thread length fillister head style 72 thread quantity per inch navy special project passivate screw surface treated unf thread series
3a thread class right-hand 1.828" thread length fillister head style 24 thread quantity per inch cadmium screw surface treated one drilled hole unc thread series
2a thread class right-hand 0.375" thread length fillister head style 0.031" hole diameter 40 thread quantity per inch passivate screw surface treated unc thread series
