Cnc lathe insert WNMG080404/08/12 machining steel, stainless steel, cast iron WNMG080404/08/12 turning insert is well applied to workpiece steel, stainless steel, cast iron and it can work mild or high hardness workpiece HRC30-45, beside, it be alternative of finishing, semi-finishing, rough machining. Coating color: Yellow, Blackish. Standard size specification CVD Coating Hardness HRC30-45, Application Scope- Steel, Stainless steel Steel P20-40, Stainless …