Economy Star ONM(G) U milling cutter Leave a Comment / Creative, Design, Electricity, New Products, Technology / By joe The inserts of ONMU05 and ONMU09 are able to do the maximum cutting depth of 3.2mm and 5.5mm respectively 16 cutting edges,excellent economy Curved edge design,Perfect chip shape,brisk cutting Serial number of each noses on the insert which for easy identification