2a thread class right-hand 1.733" thread length hexagon head style 18 thread quantity per inch cadmium surface treated counterbore threaded unf thread series
3a thread class right-hand 0.622" thread length flat chamfer head style 24 thread quantity per inch chromium sides of head surface treated unjf thread series
3a thread class right-hand 0.251" thread length dished hexagon head style 2.865" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand flush countersunk head style 0.380" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength aluminum surface treated unjc thread series
3a thread class right-hand flush countersunk head style 0.635" grip length 24 thread quantity per inch 95000 single pounds per square inch shear strength anodize surface treated unjf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.407" grip length 7200 double pounds per square inch shear strength self locking passivate sleeve surface treated
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.407" grip length 4530 double pounds per square inch shear strength passivate sleeve surface treated
2a thread class right-hand 0.282" thread length watertight head style 32 thread quantity per inch passivate screw surface treated furnished with one o-ring for self-sealing purposes unf thread series
