Jacobs Model 14N Ball Bearing Drill Chuck - 1-piece fluted sleeve construction. Ball trust bearing reduces friction in chuck closing mechanism. Through-hardened sleeve teeth, nose, and keyholes for wear resistant. Maximizes gripping force and drilling accuracy. Treated to ensure thread life and high gripping surface hardness. Jaws center-ground for absolute straightness and alignment. For heavy-duty, close tolerance production drilling. For production drilling equipment, jig borers, milling machines, lathes, and radials.
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