chuck
drill part
Quick Summary
A drill chuck is a device used to hold a drill on a spindle, typically with adjustable jaws. It is also referred to as a drill head, especially when it holds and drives multiple drills simultaneously. Drills themselves are cylindrical tools designed to create or enlarge circular holes in materials. They usually rotate and are fed into the material, featuring helical grooves (flutes) for chip ejection and coolant flow. The tip of a drill is often conical, with cutting edges where the flutes end.123
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