Tool chuck having dust seal

摘要

A tool chuck is provided for rotary power tools that includes a dust seal for reducing the quantity of dust and cuttings entering the chuck mechanism. The tool chuck features an endcap affixed to the chuck body and a circular brush may be either permanently or removably engaged to the endcap. The circular brush comprises a multiplicity of either metallic or plastic bristles that contact the shank of a tool bit engaged in the tool chuck.