0 6mm tolerance railroad freight car parts

{"cid":"91209509","title":"0.6mm Tolerance Column Friction Plate For Railroad Freight Car","imgUrl":"https:\/\/img.chinax.com\/nimg\/d1\/b4\/ff31ba9a220d954d5782c6e0a27b-200x200-1.jpg","attrs":{"Brand Name":"HTR","Minimum Order Quantity":"200","Delivery Time":"15-50 days, depends on QTY","Certification":"CRCC","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union, Paypal","Supply Ability":"2,000pcs\/month","Packaging Details":"carton box, wooden case \/as per requires","Product":"Column Wear Plate","Processing technic":"Heat treatment","Flatness tolerance":"0.6mm","Hardness":"40~48HRC"}}