2a thread class right-hand 0.844" thread length hexagon head style 0.0605" hole diameter 20 thread quantity per inch zinc surface treated unf thread series
2a thread class right-hand 2.000" thread length hexagon head style 0.1230" hole diameter 14 thread quantity per inch zinc surface treated unf thread series
3a thread class right-hand 0.781" thread length hexagon head style 20 thread quantity per inch navy special project strip or patch or pellet nylon locking feature cadmium surface treated unf thread series