X Series Hybrid Diamond Grinding Wheels 3M3M Hybrid Diamond Grinding Wheels can achieve an overall cost savings of 33% Workpiece Material Tungsten carbide end mill Workpiece Diameter 12mm No of Flutes 4 Flute Depth Flute Length 30mm Helix Angle 30º Previous Process Cost Per Part $ NEW X Series Grinding Wheel 3M Hybrid Diamond Grinding Wheel 6PHU NEW Wheel