3b thread class right-hand 1.8595" overall length 0.2495" bore diameter 24 thread quantity per inch lockwasher slot in base of shank ball type unf thread series
2.8752" bore diameter 0.5000" housing length 20 thread quantity per inch unit has eight threaded holes forhelical coil inserts, thread size is 0.3750 in., thread quantity perinch is 16; used on ac-130u tgms/ashs passivate surface treated pillow block, solid unc thread series