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.
Recommend to read
EASY, AND THE FARM WILL FIT
A zealous owner-samodelka all always there. Even his mini-tractor at times there, not to mention the mower-threshers, other motorcycle and electropolishing. And that's very...
THE STRINGS OF THE SKI…
"Could you tell us about how to make a sports bow?". George Grudev (Bulgaria), Nikolay Kuznetsov (Kursk) etc. to Make a sports bow by all the rules that only an experienced master....
