... request 4.Cutting metal materials 5.Various alloy steel Like product:Blade Linear guideway,shear blade,circular knives ... spacers,cold and hot cutting linear blade,Square profiled cutting blade,Wear plates,Sheet metal coils cutting,etc 1.Passed ... ,high toughness,and high wear resistance. 4.Blade Incision:Smooth without burr and long working life5 ... the international standard round metal cutting blade