ra 0 4 carbide slitter blades

{"cid":"91201853","title":"Ra 0.8 Carbide Slitter Blades , Silicon Steel Metal Slitting Blades","imgUrl":"https:\/\/img.chinax.com\/nimg\/6d\/4b\/a9e3ba8cf1389f5cbf8a4b22c43d-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"OED\/OEM is available","Model Number":"Customized","Minimum Order Quantity":"1pc","Delivery Time":"1 week","Certification":"ISO9001:2008","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, ","Supply Ability":"5000pcs per week","Packaging Details":"plastic box","Material":"Tungsten carbide","Application":"Metal slitteing knives","Hardness":"91.9-92HRA","TRS":"2500--3000","Density":"14.5","ISO Grade":"K30","OD":"150mm","ID":"50mm","Thickness":"10mm","Parallelism":"0.05","Roughness":"Ra 0.8","Cutting angle":"7 degree to 20 degree"}}

{"cid":"91199782","title":"Circular Tungsten Carbide Rotary Slitter Blades Round Cutting For Metal","imgUrl":"https:\/\/img.chinax.com\/nimg\/81\/f1\/e2c5cfcf04039c557c05814da501-200x200-1.jpg","attrs":{"Brand Name":"SENDA","Model Number":"SD004","Minimum Order Quantity":"2pcs","Delivery Time":"30-35days","Certification":"ISO9001","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union","Packaging Details":"use anti-rust oil in plastuc bag and Packed in strong plywood case","Name":"metal slitter knives","Other name":"coil slitter blade, rotary shear blades","Material":"SKD11,D2, Cr12MoV","Thickness tolerance":"+-0.001mm","Inner Diameter":"+0.02mm","Flatness":"\u22640.002mm","Parallelism":"\u22640.002mm","Concentricity":"\u22640.02mm","Surface roundness":"Ra0.1um","Hardness":"Tool steel: HRC62~64","Application":"hot rolling mill plants"}}