https://youtu.be/PQ7gWxgmB2A
https://makethingswithrob.com/nut-bolt-identifier/
Printable View
You can save a lot of drilling and tapping by using a thread checker plate of the sort often available gratis from suppliers to the craft. I use the one pictured because it contains both inferial NC and NF as well as metric threads. (I've blanked out the name of the company lest I be accused of endorsement.)
Attaching the nuts to the board presents a problem if the thread to be checked is firmly attached to a large structure, e.g. studs on wheels or machinery. Often there isn't enough "swing room" to rotate the board around the stud. I prefer to keep a matching nut on each screw to address this problem. (Sometimes the nuts can interfere with each other so alternating screw/nut pairs are mounted on the back of the plate.)
Attachment 43931
Attachment 43932
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<div id="blocks"> <div class="block b1 pngfix"> <div class="bimg"> <div> <a href="https://www.homemadetools.net/homemade-fastener-identifier-board"> <img src="/uploads/256767/homemade-fastener-identifier-board.jpeg"/> </a> </div> </div> <div class="head pngfix"></div> <div class="left pngfix"></div> <div class="right pngfix"></div> <div class="blockover b1 pngfix"> <div class="title"> <a href="https://www.homemadetools.net/homemade-fastener-identifier-board">Fastener Identifier Board</a> <span> by <a href="https://www.homemadetools.net/builder/Make+Things">Make Things</a></span> </div> <div class="tags">tags: <a href='https://www.homemadetools.net/tag/fasteners'>fasteners</a> </div> </div> </div> </div>
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