Jacobs quality speaks for itself. Even though this chuck is made in China, the quality is as good as a Made-in-USA Jacobs chuck of previous years. The scroll runs smoothly, the chuck jaws are ground as a set, the key does not slip, there is very little backlash at the fully open and fully closed positions when reversed, and the anodize of the sleeve is hard. One criticism is that the set does not include the left-hand threaded retaining screw. So if you're replacing your chuck on a reversible tool, ensure the retaining screw is in good shape or purchase a replacement of equal quality. Torx broached through hole in the chuck body allows easy removal without a hammer. Actual max chucking diameter .518" (13.16mm) as checked with gauge pin. Runout with .500" gauge pin .0025" (63.5um).
Verified purchase: Yes | Condition: New
Very good chuck! I am a retired tool and die maker and have used about every chuck made. This was a good buy and saved me from buying another drill motor.
Verified purchase: Yes | Condition: New
My cosh it was ages ago I bought this item. Anyhow's it's really good. It works great and fit my drill. Can't ask for anything better.
Verified purchase: Yes | Condition: New
It made my very powerful 3/8 inch drill into a half inch drill. Exactly what I wanted...
Verified purchase: Yes | Condition: Pre-owned
Nice chuck for the price. I thought it was a good value and would recommend it for the price.
Verified purchase: Yes | Condition: New
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