3b thread class right-hand 3.3125" overall length 0.7495" bore diameter 20 thread quantity per inch chromium inner member surface treated ball type unf thread series
3a thread class right-hand 4.5625" overall length 0.8745" bore diameter 14 thread quantity per inch shank drilled 0.5000 in. dia by 2.2500 in. deep, thd slotted longitudinally 2.3125 in. lg 0.1560 in. w. 0.1100 in. deep chromium inner member surface treated ball type uns thread series
3a thread class right-hand 4.1875" overall length 0.6245" bore diameter 12 thread quantity per inch keyway in shank 0.1870 in. w. 0.1385 in. deep 2.1875 in. lg, shank drilled 0.8750 in. dia by 1.5312 in. lg ball type un thread series
3a thread class right-hand 16 thread quantity per inch keyway in shank 0.1250 in. w. 0.0930 in. deep 1.8750 in. lg, shank drilled 0.3750 in. dia 1.0000 in. deep unf thread series
