[Rudi Schoenmackers] has devised a clever set of custom 3D-printed jigs that makes it easy to build your own wooden hex nuts and bolts. Well, easy if you have access to a woodworking shop with a router, bandsaw and belt sander.
You won’t be using these to mount your PCBs, however. They are pretty big — UNC 1½-6 threads (the closest metric thread would probably be M36-4). [Rudi] points out that these jigs can be readily adapted to generate different sizes and pitches of threads, even left-handed ones, but we suspect making a #4-40 or M3-0.5 is out of the question. There are commercial jigs for making threads, but as [Rudi] points out, those are quite expensive. The price of [Rudi]’s jigs is quite low, assuming you have a 3D printer.
We’re not sure how to best take advantage of these nuts and bolts in ordinary hacking projects, but [Rudi] enjoys giving them away as cool toys or making large clamps and vises out of them. Let us know if you have any applications where wooden threaded fasteners could come in handy. If wooden threads interest you, then check out this project we covered a few years ago on making simple taps.
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