2a thread class right-hand 0.275" thread length oval countersunk head style 32 thread quantity per inch chromium screw surface treated unc thread series
2a thread class right-hand 1.251" thread length hexagon head style 14 thread quantity per inch undercut below head 0.010 in deep by 1/16 w; undercut below shoulder 0.906 in dia by 1/8 in. w; chamfer thd end 1/16 in. by 45 deg uns thread series
3a thread class right-hand 0.781" thread length hexagon head style 0.594" grip length 18 thread quantity per inch groove between grip phosphate surface treated unf thread series
3a thread class right-hand 4.959" thread length hexagon head style 12 thread quantity per inch chamfer 0.031 in. lg by 45.0 deg on both ends of drilled hole oxide surface treated counterbore threaded unc thread series
3a thread class right-hand 0.875" thread length hexagon head style 0.938" grip length 18 thread quantity per inch undercut under head 0.062 in. w 0.615 in. dia unf thread series
3a thread class right-hand 0.688" thread length flat countersunk head style 18 thread quantity per inch phosphate screw surface treated unc thread series
2a thread class right-hand 0.500" thread length hexagon head style 1.844" grip length 20 thread quantity per inch phosphate surface treated unf thread series
2a thread class right-hand 0.250" thread length hexagon head style 1.844" grip length 28 thread quantity per inch phosphate surface treated unf thread series
2a thread class right-hand 0.375" thread length hexagon head style 1.344" grip length 24 thread quantity per inch phosphate surface treated unf thread series
2a thread class right-hand 0.250" thread length hexagon head style 1.094" grip length 28 thread quantity per inch phosphate surface treated unf thread series
2a thread class right-hand 0.250" thread length hexagon head style 0.719" grip length 28 thread quantity per inch phosphate surface treated unf thread series
2a thread class right-hand 0.375" thread length hexagon head style 0.994" grip length 24 thread quantity per inch phosphate surface treated unf thread series
right-hand 0.300" thread length headless (setscrew) head style 25 thread quantity per inch 0.210 min 0.220 max dia of unthreaded portion of shank uns thread series
