How To Install Expanding Drywall Anchor
Mark the placement of the anchor with the awl or pencil.
How to install expanding drywall anchor. 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. After the anchor is inserted in the hole expandable wings grip the backside of the drywall to support the. A machine threaded bolt is used to expand the single expansion anchor and can be removed and replaced without affecting the holding values of the anchor. Expansion anchors are the cheapest most basic type of drywall anchor. The single expansion anchor is available in 1 4 5 16 3 8 1 2 5 8 and 3 4 diameters.
Step 2 prepare for anchor installation. The single expansion anchor is made from a highly corrosive zinc based alloy called zamac. Make a hole in the drywall that is slightly smaller than the plastic anchor. 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.
It s important to keep in mind that expansion anchors are only as strong as the wall they re installed in. 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.