20mm heavy duty keyed drill chuck

Power tool accessory, heavy duty keyed drill chuck Capacity: 5.0-20mm Mount: B22,JT6 Application: Recommended for light,medium and heavy-duty portable bench or floor mounted power tools. Features: 1.High precision threaded and tapered tightly mounts on the tools. 2.Sleeve,key hole and key are shaped by quenching.

3.Jaws are specifically engineered for tight tolerance production drilling. 4.Sleeve teeth and key holesare are shaped by cold pressing. 5.Super precision and durable. Packing: In bulk, color box