How To Install Expanding Drywall Anchor

Expansion anchors are the cheapest most basic type of drywall anchor.
How to install expanding drywall anchor. Attach your rack or shelf to the wall by screwing into the drywall anchor. They re called expansion anchors because when you drive in the a screw they expand and push against the drywall in order to bite into it. If you use the awl you will not have the same amount of dust debris as you will get with a drill which is why we recommend using an awl if you have access to one. Step 2 prepare for anchor installation. Mark the placement of the anchor with the awl or pencil.
The single expansion anchor is made from a highly corrosive zinc based alloy called zamac. They re not the best type to use since they re not able to hold a whole lot of weight maybe 10 to 20 pounds at most but they re great for heavier picture frames and small shelves. The single expansion anchor is available in 1 4 5 16 3 8 1 2 5 8 and 3 4 diameters. They re best used for hanging lightweight items such as small framed paintings paper towel racks and anything under about 10 lbs. Make a hole in the drywall that is slightly smaller than the plastic anchor.
Once again make sure you first put the screw through the hole of the thing you re attaching to the wall. It s important to keep in mind that expansion anchors are only as strong as the wall they re installed in.