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
RESCUED BUTTONS
Once I decided to put on his acoustic guitar strings electric from the tension of the tailpiece cracked. This was because the new strings had not cylindrical, and conical head. Buried in...
AN AUTOMATIC PUMP FOR BIKE
Pump chamber of a Bicycle wheel, for example after repair or tire, the operation is quite tedious because of the low performance of the supplied pump. Besides, there are pumps, hose...
