3a thread class right-hand 2.6850" overall length 0.4370" bore diameter 20 thread quantity per inch keyway in shank passivate race insert surface treated ball type unf thread series
3b thread class right-hand 1.6870" overall length 0.2500" bore diameter 28 thread quantity per inch two flats on shank for wrenching cadmium rod end body surface treated ball type unf thread series