... range,less heat; OEM is ok. Flat shaped titanium grinding wheels abrasiveGrinding hard alloy and other tools;Durable,wide range,less ... , outer wall Angle 50 degrees of bowl of diamond grinding, with rake plane, such as machine slideway and cutting ... than 10 years experience in producing Grinding Cutting Wheels, Gun Drills, Diamond Oilstone, Grinding Paste and Grinding File. We factory also have passed ...