2g thread class right-hand 10.000" thread length hexagon head style 5 thread quantity per inch navy special project cadmium surface treated acme thread series
2a thread class right-hand 0.365" thread length flat countersunk undercut head style 40 thread quantity per inch oxide screw surface treated unc thread series
3b thread class right-hand flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.125 " grip length 16 thread quantity per inch expander with locking feature for 1/4-28 bolt; furnished with bolt anodize sleeve surface treated unjc thread series
3b thread class right-hand flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.375 " grip length 28 thread quantity per inch furnished with locking type expander anodize sleeve surface treated unjf thread series
3b thread class right-hand flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.250 " grip length 28 thread quantity per inch furnished with locking type expander anodize sleeve surface treated unjf thread series
3a thread class right-hand 0.471" thread length spline drive shear head head style 0.390" grip length 28 thread quantity per inch passivate surface treated unjf thread series