Self-tightening nut that provides tight fastening with a unique screw thread

Re:Self-tightening nut that provides tight fastening with a ... by graeham on Monday November 10, 2014 @09:32AM (#8583654)

Or you can just use two regular nuts http://en.wikipedia.org/wiki/Jam_nut

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Re:Self-tightening nut that provides tight fastening with a ... by BetaCygni on Monday November 10, 2014 @09:39AM (#8583695)

Yes, but that takes more space and is much harder to fasten correctly. This actually looks like a good product.

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Re:Self-tightening nut that provides tight fastening with a ... by pp19dd on Monday November 10, 2014 @09:50AM (#8583759)

The RepRap 3D printer I assembled used lots of these (Jam Nuts), and I can confirm that it was very annoying to keep making geometric adjustments. The instructions were - assemble loose to keep general structure, then tighten to exact fit, and then tighten to keep that fit. I ended up buying 4 wrenches to make my job easier.

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