Install expansion screw prepare tools: hand drill, hammer, cross screwdriver, pencil.
After preparing the tool, select an alloy drill bit of the same diameter as the expansion screw of the expansion screw, install it on the drill and then punch the wall. The depth of the hole is preferably the same as the length of the bolt. Then the expansion screw kit is lowered into the hole. Do not screw off the nut to prevent the bolt from falling into the hole when the hole is drilled, so it is not easy to take it out.
After tightening the nut to the 2.3 button, the expansion screw is tight. After the nut is loosened, the nut is lowered. Then, the fixing piece with the hole in the fixed object is hit by the screw, and the outer gasket is attached. The spring washer bar nut can be tightened.
In the installation process, 6MM hits the 10MM hole, 8MM hits the 12MM hole, and the wall hole is made according to the outer diameter of the expansion tube. If the brick wall is soft, choose the appropriate small drill bit. The expansion tube part should all enter the wall. As long as the threaded part is long enough, the sleeve part is deeper and firmer.
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