Equipment September 3, 2014 By Hi-Tek Balancing 0 Comments Precision Machine Tool Quill Spindle Precision Machine tool quill spindle is balanced to ISO g2.5 and corrections are made by drilling using our clamp on modified magneting base drill. Related Posts 11 Jul, 2014 Hi-Tek Balancing 0 Boeing 787 Air Shafts Explore More +