Micro engineering works offers high precision keyless drill chucks with simple but modern technology. The self-tightening feature of these chucks always ensures robust gripping force because any increase in torque will further tighten the drill in the chuck itself. Built-in ball bearings ensure precise smooth and quick action. Hardened and ground precision drill chucks are ideal for high-speed drilling machines, milling machines, lathe machines; jig boring machines and nc/cnc machines too. These chucks are available in different ranges.