parallelism 0 003 slitter spacers

{"cid":"91199782","title":"Circular Slitter Spacers For Slitting Machine Blade","imgUrl":"https:\/\/img.ismap.com\/nimg\/23\/d7\/0eee5eb94f8fabe8073338804b99-200x200-1.jpg","attrs":{"Brand Name":"SENDA","Model Number":"SD005","Minimum Order Quantity":"2pcs","Delivery Time":"30days","Certification":"ISO9001","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union","Packaging Details":"anti-rust oil in plastic bag and Packed in strong plywood case","Name":"Metal light weight spacer for slitter machine","Material":"S45C or SUJ2(52100)","Thickness tolerance":"+- 0.002","Diameter tolerance":"+0.01","Flatness":"\u22640.003","Parallelism":"\u22640.003","Concentricity":"0.02","Hardness":"75-85HA","Application":"slitter lines toolings"}}

{"cid":"91202791","title":"HRa88.0 Metal Slitter Knives Metal Sheet Roller Machine Knives And Blades","imgUrl":"https:\/\/img.ismap.com\/nimg\/d1\/f0\/7f77ef06d10ed2fc8f36ab8cbe5f-200x200-1.jpg","attrs":{"Price":"USD 70-100 per piece","Brand Name":"Shen Gong","Model Number":"N\/A","Minimum Order Quantity":"5pcs","Delivery Time":"30-45days","Certification":"ISO9001 (2015)","Place of Origin":"Sichuan","Payment Terms":"T\/T","Supply Ability":"500 pcs\/Month","Packaging Details":"carton case","Type":"Slitting Blade","Material":"Tungsten Carbide","Application":"Metal Sheet Slitting","Size":"OD260, OD270, OD280","Hardness":"HRa87~HRa93","Advantage":"Sharpening, Improved Efficiency, Wear Resistance,","Grade":"YG6X\/YG8\/YG10\/YG12\/YG13","Product name":"Round knife","Certificated":"ISO9001 (2015)"}}