Resin Diamond Wheel for PDC Cutter / Drill Bits Grinding More Superhard provides precise solutions for cylindrical grinding PDC cutter, repairing PDC drill bits in Oil & Gas industry. We can supply diamond tools include, Vitrified Diamond Wheel for Cylindrical Grinding PDC Cutter / PDC Drill Bits Resin Diamond Wheel for Cylindrical Grinding PDC Cutter / PDC Drill Bits Cylindrical Diamond Wheel for PDC Cutter chamfer grinding Model: 1A1 diamond wheel (diameter up to 1100mm)