drilling spindle HV-X series. machining lubrication milling. Rotational speed: 30,000 rpm - 105,000 rpm. Diameter: 100, 120, 150 mm. GMN high-speed grinding spindles of the HS, HSX, HV-X and UHS series are irreplaceable for most precise machining tasks. Whether you must work with holes or frames, with these spindles ...