ra 0 8 circular cutting blade blanks

{"cid":"91201853","title":"Circular Slitting Blades 10% Cobalt Metalworking Knives Ground Blades","imgUrl":"https:\/\/img.ismap.com\/nimg\/1f\/e5\/17562353196d6d9402249de3416e-200x200-1.jpg","attrs":{"Price":"$10-$30","Brand Name":"OED\/OEM is available","Model Number":"\u00d8160\u00d7\u00d880\u00d715mm","Minimum Order Quantity":"10pc","Delivery Time":"1 week","Certification":"ISO 9001:2015","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"1000pcs per Month","Packaging Details":"plastic box\/box + Cartons","Material":"Tungsten carbide","Application":"Ground slitting blades without cutting angle","Hardness":"91.5 HRA","TRS":"3800","Density":"14.45","ISO Grade":"k40F","OD":"160mm","ID":"80mm","Thickness":"15mm","Parallelism":"0.05","Roughness":"Ra 0.8","Cutting angle":"None"}}