General description The Heavy-Duty Drill Chuck is a robust and versatile tool designed for various applications, including lathes, electric drills, and other drilling machines. Its keyless design allows for easy manual tightening and loosening, making it user-friendly and efficient. Technical specifications Model: B16 Capacity: 0-13 mm (1/2) Inner Diameter: 15.733 mm (0.61) Outer Diameter: 40 mm (1.57) Usage Ideal for use in drilling machines, milling machines, lathes, boring machines, and handheld power tools. Features a self-tightening mechanism that increases clamping force based on the applied torque. Precision-machined for higher accuracy in drilling tasks.