Introduction: Smart Nuts
These adjustable nuts are drilled and tapped so the nut will slide over any
length of threaded rod. The threads are engaged when tilted or tightened
again a stop. We use these in our shop for clamping stacks of paper for
padding and bookbinding. There is a video about hardcover bookbinding on our
YouTube channel showing one use for these nuts. They can be made from brass,
aluminum and steel, but we like hex pvc since it's very easy to machine and
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