See the very best method to alter the centre height on a Myford compound slide, for optimum centre height. Milling the top of the compound allows for the use of 12mm shank tools plus one can still swivel the toolpost to any angle. MILLING TOOL & INSERT USED IN THIS VIDEO:-
300R C25-25-150 Milling Tool Holder Lathe CNC Arbor -- https://goo.gl/zH5uex
Drillpro 10pcs Blue Nano Coating HRC52 APMT1135PDER NB7010 Carbide Inserts -- http://bit.ly/2V9xsVE