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Could I use a vernier caliper to measure the internal diameter of a female screw thread? If not, what is the best way to do it? - Quora
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Thread size chart, Needle and thread, Sewing thread
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Sewing thread sizes and how to choose
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Thread Specifications and Notes
I made up this chart for myself when I first got my sewing machine, to help me try and understand nee… | Sewing machine thread, Thread size chart, Needle and thread
