Groove Insert Model Number: MGMN200,300,400, 500,600 Hardness: HRA92 Perfomance: HRC30-45 metal cutting steel, stainless steel Service: OEM/ODM are Welcomed Coating: CVD, PVD. Supply Capacity: 4000000/month                     Items Dimensions Cutting Parameters Matched Tools l b t r A MGMN300 21 3 4.8 0.4 7° ap:~16 fn:0.07-0.12mm/rev vc:60-120m/min ISO tool holder MGMN400 21 …