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
ORBITA STUDENTS
The Moscow Lenin order aviation Institute named after Sergo Ordzhonikidze at the faculty of aircraft engines has a student design Bureau (SKB-2), which is headed by candidate of...
CHEVROLET TAHOE
The sale of this American car-SUV began in our country in 2008, and the first presentation of the car took place in the United States two years earlier under the motto All-new for 2007...