2a thread class right-hand 1.737" thread length hexagon head style 23 thread quantity per inch spherical radius on thread end oxide surface treated unf thread series
3a thread class right-hand 0.550" thread length hexagon head style 0.070" hole diameter 28 thread quantity per inch passivate surface treated unf thread series
Used on excavator,combatm9ace,refrigeration systems. 2a thread class right-hand 1.000" thread length hexagon head style 16 thread quantity per inch zinc surface treated unrc thread series
2a thread class right-hand 1.750" thread length hexagon head style 0.094" hole diameter 16 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.406" thread length hexagon head style 0.062" hole diameter 20 thread quantity per inch zinc surface treated unc thread series
2a thread class right-hand 0.750" thread length hexagon head style 0.062" hole diameter 28 thread quantity per inch cadmium surface treated unf thread series