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Item #: G8648
Model # 31052
Standard issue on many of the finest commercial-quality drills on the market, the Jacobs® Professional Series chucks are the perfect replacement or upgrade for your drill or drill press. Jaws are through-hardened for exceptional spin-out resistance. Internal construction is first-rate! Chucks include keys. Made in the U.S.A.


  • 1/2"-20
  • Reviews

    2 Customer Reviews (5 out of 5 stars) : Sign in to write a review

    Brent D
    Second Breathe of Life 10/02/2018 2:51:49 AM

    Ordered this chuck for my 1/2" Milwaukee Magnum drill that has been my go to for tile mortar and grout mixing for 20 years. Grizzly Tools helped me find the correct replacement for my model and has kept me from having to give up this essential tool to my kit! Thank You Grizzly!

    Anonymous Reviewer
    04/20/2018 1:50:11 PM

    I bought this item about a month ago and so far it has worked exceptionally well on every thing that i have used it for but i have only used it a couple times. it appears to be of good quality and the price is right.