Use of expansion bolts When using, first use the impact […]
Use of expansion bolts
When using, first use the impact drill (hammer) drilled holes in the corresponding size of the fixed body, and then bolts, expansion tube into the hole, tighten the nut can make the bolt, expansion tube, mounting parts and fixed body Between the tight expansion into one.
After being tightened, it will expand. There is a big head at the tail of the bolt. A round pipe with a diameter slightly larger than the bolt is put on the outside of the bolt. There are several openings in the tail part. When the bolt is tightened, the tail of the big head is brought into the open pipe. The purpose of the rooting is to fix the bolts on the ground or the wall by smashing the tube and expanding it.