Reply by TheDane

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Posted on 3 Jaw or 4 Jaw

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5851 posts in 4516 days

#1 posted 03-25-2017 12:31 PM

I wouldn’t touch either a 3-jaw chuck or a chuck that has independently adjustable jaws.

3-jaw chucks do not have the holding power that 4-jaw chucks have, and having to adjust jaws individually would be a real PITA.

4-jaw scroll chucks have the advantage of self-centering the workpiece, and are available with serrated or dovetail jaws that provide a positive hold.

-- Gerry -- "I don't plan to ever really grow up ... I'm just going to learn how to act in public!"

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