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This is a genuine DeWalt 1/2" capacity Keyless Drill Chuck. This Chuck, 330075-91, replaces many chucks including the 330075-72, 330075-63, 330075-42, 330075-66, 330075-77, 907465, 905261, and 899515 1/2" keyless drill chucks and is compatible with many DeWalt cordless drill models. This chuck is constructed completely of steel, for long lasting strength and is a big step up from most DeWalt 1/2" keyless chucks while the keyless single sleeve construction adds efficient easy to use keyless bit swapping. (No need for chuck keys or manual tightening).
Chucks are commonly replaced parts in tools, if your drill?s bit retention is failing, the rotation feels stiff, the chuck has seized up or the chuck doesn't lock you will need to replace your drill chuck. This heavy duty steel 1/2" keyless drill chuck has a 1/2" bit opening and mounts on 1/2" spindle shaft only.
This 1/2" Keyless Chuck will fit the DeWalt following models: