Self-clinching studs and nuts are available with a special Teflon coating used to mask the threads and prevent adhesion of undesirable substances to external and internal threads. The coatings can be applied to precise areas of all materials and finishes to protect threads from electro-deposited platings, primers, paint, and weld splatter. The coatings also add lubricity to fastener threads, reducing driving friction, heat buildup, and thread galling.
It won't be too much longer and hardware design, as we used to know it, will be remembered alongside the slide rule and the Karnaugh map. You will need to move beyond those familiar bits and bytes into the new world of software centric design.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.