4" (100 mm) Rotary Table Designed for smaller milling machines. Table diameter 100 mm Table is graduated 360 Degrees. Worm Gear Ratio -1:36, which means that the 1 handle rotation shall turn the table by 10 Degrees. Center Height in vertical position: 2-1/16" (50 mm approx) excluding chuck. Hand wheel is graduated in divisions of 10 min & can be set to zero. Can be mounted both in Horizontal & vertical position. Description of the 65 mm 3 jaw self centering Chuck made from High Quality chuck, the body of which is made from SG Iron & Jaws are of Tool steel hardened & ground. Supplied with a mounting back plate & fixing tee nuts with screws. The Back plate has been drilled in a manner that it will fit to a 3 slot or a 4 slot rotary table. A Tool Steel Back Plate is supplied with Fixing T nuts to Mount the Chuck on It. Back Plate is Drill in a manner that it will fit both 3 as well as 4 slots Table. The Back side of the Plate has a locating Spigot to center the Mounting on to the Table.