3b thread class right-hand 3.3800" overall length 0.4370" bore diameter 18 thread quantity per inch cadmium rod end body surface treated unjf thread series
3a thread class right-hand 3.9900" overall length 0.3745" bore diameter 20 thread quantity per inch cadmium rod end body surface treated unjf thread series
3b thread class right-hand 3.1590" overall length 0.2495" bore diameter 20 thread quantity per inch cadmium inner ring surface treated single row, concave rollers unf thread series