General description The Heavy Duty Drill Chuck is a robust and versatile tool designed for various drilling applications. It features a keyless design that allows for quick and easy manual tightening and loosening, enhancing user efficiency. Technical specifications Model: B16 Capacity: 0-13mm (1/2) Inner diameter: 15.733 mm (0.61) Outer diameter: 40 mm (1.57 in) Usage Ideal for use in drilling machines, milling machines, lathes, boring machines, and electric hand tools. Designed for easy manual operation, allowing for faster adjustments. Other information Features a unique thrust bearing for improved torque application and clamping force. Precision machined for higher accuracy and reliable performance.