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
TRACTOR-TRUCK
The hinged trailer was manufactured and installed on the tractor MTZ-5 (Fig. 1). Figure 2 shows a diagram of the tipper Assembly. Its main parts: a support frame body, weld metal landing...
THE PENCIL
What do we do when we need something to hang on a concrete wall? Bore a hole and hammering the tube, usually wood. And where is the guarantee that the tree got dried? Often, the tube...