This article was the joint effort of Larry Rudd and myself. Starting with the “Smart Nut” manufactured by Rod Grantham, we modified the idea a bit. It was written for those new to the metal working hobby.
The Angled Half Nut slides on a threaded rod yet locks securely when tightened. They are easy to make, just hard to design and analyze. Almost half of the article is analysis if you are a math geek.
If you are interested, please see