... heat; OEM is ok. Flat shaped titanium grinding wheels abrasiveGrinding hard alloy and other tools;Durable,wide range,less heat,sharp ... milling cutter, reamer, broach, reaming cutter, disc turning, pinion gear knife, outer wall Angle 50 degrees of bowl of diamond ... have more than 10 years experience in producing Grinding Cutting Wheels, Gun Drills, Diamond Oilstone, Grinding Paste and Grinding File. ...