Cast in many industrial products have long been used mortgages (anchor) bolts with special heads, such that not only pull, but rotate can’t.
With the advent of high strength composite self-hardening compositions that bolt you can “lay” in the body of the finished product (plastic or metal) and making it pre-nest, and then simonaityte.
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For many years I am a subscriber of the journal "modelist-Konstruktor". Many find useful for themselves. Some of the ideas I use is from the column "the Club house masters", and today he...
