2.Hardened and ground spindle is rigidly held in a taper roller bearings.Worm is hardened and ground also.
3.The swivel head can be locked of any angle from 10X below horizontal to 90X vertical-precision fitting to base assures smooth rotation.
4.All models have threaded spindle nose and 24 hole dividing plate with easy conversion to fast direct indexing on numbers 2,3,4,6,8,12 and 24.
5.Easy indexing of all numbers from 2 to 50 and many numbers from 52 of 380.
6.Accurate precision,little backlash,fine appearance and strong structure so can assure smooth rotation.