2a thread class right-hand 1.500" thread length fillister head style 0.070" hole diameter 18 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.895" thread length hexagon head style 11 thread quantity per inch thread relief 0.506 min. to 0.526 max. dia., 0.060 long. shoulder plated with dicro pan (gun blue) cage 12238 or presto black cage 51243 nickel head surface treated unc thread series
3a thread class right-hand 0.750" thread length hexagon extended washer head style 32 thread quantity per inch cadmium or zinc screw surface treated unf thread series
2a thread class right-hand 2.250" thread length hexagon head style 8 thread quantity per inch screw, cap, hexagon head zinc surface treated unc thread series
2a thread class right-hand 0.734" thread length hexagon head style 18 thread quantity per inch navy special project zinc surface treated unc thread series