How To Install Expanding Drywall Anchor
The single expansion anchor is available in 1 4 5 16 3 8 1 2 5 8 and 3 4 diameters.
How to install expanding drywall anchor. Step 2 prepare for anchor installation. It s important to keep in mind that expansion anchors are only as strong as the wall they re installed in. Mark the placement of the anchor with the awl or pencil. After the anchor is inserted in the hole expandable wings grip the backside of the drywall to support the. Once again make sure you first put the screw through the hole of the thing you re attaching to the wall.
Attach your rack or shelf to the wall by screwing into the drywall anchor. Make a hole in the drywall that is slightly smaller than the plastic anchor. Installing a wall anchor requires creating a hole large enough to accommodate the device. 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 made from a highly corrosive zinc based alloy called zamac.
They re best used for hanging lightweight items such as small framed paintings paper towel racks and anything under about 10 lbs. 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.