ScottS-FORTX
New member
Level nuts might work, but they are not really what you want to use. They are for the bottom of legs where you screw a foot in to level the unit. They don't have the holding strength that tubing connectors have.
Here are some, but Amazon probably has them as well as well as other sources.
4 Pack Tubing Connector 1"(OD) Round or Square 1/4-20 Threads 11000256800 | eBay
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They work pretty darn well, really its just to keep the lower part of the legs from moving out or in. I had to hammer those bad boys in there, they spring out and have some little teeth to bite in. Tested trying to wiggle them with them bolted to something and they didn't budge.