Expansion bolt refers to a special threaded connection used to secure pipe supports/lifts/brackets or equipment to walls, floors and columns. When using the expansion bolt, drill holes of corresponding sizes on the fixing body with the impact electric drill (hammer) first, and then put the bolt and expansion tube into the holes. Tighten the nut to make the bolt, expansion tube, installation piece and the fixing body expand tightly into one body.
This section describes how to install expansion bolts.
The first step: after drilling the screw and expansion tube into the hole;
The second step: the need to fix the accessories into the screw;
Step 3: Put flat washers, spring washers and nuts in sequence, and tighten the nuts with a wrench to make the expansion tube expand inside the wall.
Note: tighten bolts will swell, bolt tail has a big head, outside the expansion bolt set a slightly larger than the diameter of a bolt circle tube, and the tail part that has a few openings, when after the bolt tightening, the bulk of the tail was taken to a open pipe, the pipe burst, achieve the purpose of expansion, and then put the bolt fixed on the ground or walls, to take root .
