The use of expansion screws are as follows:
1.Preparation tools: hand drill, drill, hammer, screwdriver, etc. .
2.Select the bit: select and expansion screw expansion pipe with the same diameter of the alloy bit.
3.Mark the hole: mark the place where the hole needs to be punched.
4.Drilling: use an electric drill to drill in the marked position. The depth of the hole should be the same as the length of the bolt.
5.Clean the hole: remove the dust around the hole.
6.Installation of expansion screws: the expansion screw set into the hole made, be careful not to rush off the nut, in order to prevent the bolt into too deep difficult to take out.
7.Tighten the nut: tighten the nut after ensuring that the expansion screw set is securely installed.
8.Fixed items: the need for fixed items at the bolt installation hole, fixed to the wall, and then tighten the nut can be.
Note:
1.When installation must choose a hard wall or ground, avoid in the soft or unstable place to use the expansion screw.
2.When drilling, pay attention to the selection of the appropriate drill size, and remove the hole of sand or dust, to ensure that the expansion screw can be firmly installed.
3.In the installation process, to pay attention to safety, to avoid improper operation and injury.