this post was submitted on 24 Feb 2025
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Scaffolding jack screws for a vise? (lemmy.ca)
submitted 1 month ago by [email protected] to c/[email protected]
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While looking into workbenches, I came across a suggestion that scaffolding screw jacks could be used to make a large vise, but also comments saying that since they’re designed for use on muddy construction sites, the threads have excessive clearance or slop. Is that a problem in practice? I can’t figure out why it would be, since I would think backlash just means you need an extra fraction of a turn when switching from tightening the vise to loosening it. What am I missing?

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[–] [email protected] 4 points 1 month ago (1 children)

Check out ibuildit.ca

He has made a vise from a screw jack, and has some videos of it in action.

While I’ve not built his vise, I have roughly followed his instructions for other projects, and I think he really suggests things that actually work (not just “content”)