... Like product:Blade Linear guideway,shear blade,circular knives and spacers,cold and hot cutting linear blade,Square profiled cutting blade,Wear ... 2. Materials:5CrW2Si,6CrW2Si,Cr12MoV,9SiCr,GCr15,H13,H13K,HMB and HMK 3.Features:High intensity,high hardness,high toughness ... .Incision:Smooth free of burr5.Blade Incision:Smooth without burr and long working life6. working ability: 1)Length:50mm~5500mm 2 ...