Gearhead vs. Belt Drive bench mill
Aug 12, 2006· They´ll never be okay if you have to do it in two steps. Concentric drilling is mandatory here. No need to touch the machines head, on the G0519. Another thought for a round column mill drill: It´s no problem to attach a keystock precision square rail to the zcolumn and machine a cutout slot in the head that can use a gib.