ROBTEC 180*6*22.2mm China Factory Direct Sale Abrasive Disc Grinding Wheels For Polishing Stainless Steel And Metal Description for Grinding Wheel for Metal 1. ROBTEC Grinding Wheel for Metal with a thickness of 6.4mm is the right choice for Grinding of sprues, hard welds, build-up welds, cleaning of castings. 2.The design of depressed center allows mutiple angles of usage to the disc (comparing with flat wheels) Features of Grinding Wheel for Metal MPA Verified Grinding Wheel for Metal Maximum Line Speed can be choosed: 70m/s, 80m/s, 100m/s Developed for metal Sharpness Good durability Not easy to burn workpiece High performance abrasive More safety and effciency