
Wall anchors are essential when hanging items on walls to prevent nails and screws from slipping out or causing wall damage. The type of wall anchor you need depends on the type of wall you have. For example, if you have a plaster wall, you should use self-drilling anchors. If you're using a plastic anchor, you'll need to drill a pilot hole in the wall first. Make sure the drill bit is slightly smaller than the diameter of the anchor. Once you've drilled the hole, insert the anchor, tapping it lightly with a hammer until it's flush with the wall. Finally, screw in the item you want to hang, being careful not to overtighten the screw.
| Characteristics | Values |
|---|---|
| When to use a wall anchor | When it's not possible to hit a stud when hanging items on walls |
| Use case | Nails and screws can easily slip out or cause the wall to break apart if an anchor isn't used |
| Wall substrates | Plaster wall, drywall, and masonry |
| Plaster wall | Made by nailing strips of wood (laths) over wall studs, then covered with layers of plaster |
| Drywall | Two paperboards that sandwich gypsum, a powdery white or gray sulfate mineral |
| Types of anchors | Snap toggle bolts, self-drilling anchors, drywall anchors, plastic anchors, lead anchors |
| Plastic anchor installation | Drill a hole smaller than the anchor, tap the anchor into the hole, then install the screw |
| Stronger plastic anchor | Looks like a large screw with a Phillips screwhead slot; drill a small hole, use a Phillips screwdriver or drill to screw the anchor into the wall, then screw into the anchor |
| Drywall anchor installation | Mark the spot, fit the drill with a bit the same diameter as the anchor, drill a pilot hole, push the anchor into the hole, screw in the anchor, then screw in the item |
| Hollow wall anchors | Come in various lengths, ensure you know the wall thickness to purchase the correct size; suitable for mounting objects in the 25-50 lbs range |
| Snap toggle bolts | Suitable for heavy-duty projects, can hold up to 238 lbs each |
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What You'll Learn

Choose the right wall anchor for your wall type
Choosing the right wall anchor for your wall type is crucial to ensure the safety and stability of your hanging items. There are three main types of walls: plaster walls, drywall, and masonry.
For drywall, plastic drywall anchors are commonly used. These are suitable for lightweight items such as pictures, small shelves, or light fixtures. Plastic ribbed anchors, for instance, have sharp threads and a pointed tip on one end, with a flange on the other. When a screw is inserted, these anchors expand within the wall. They are available in various sizes and lengths and can be installed by drilling a hole, inserting the anchor, and tapping it into place.
If you're hanging heavier items on drywall, metal anchors or toggle anchors are more appropriate. Toggle anchors, such as strap toggle anchors, have a screw with a spring-loaded winged nut that locks in place behind the wall, providing extra support. Molly bolts, another type of drywall anchor, have a metal sleeve with a screw on one end and a toggle on the other. The sharp tips on the underside of the bolt head pierce the drywall, and when inserted, the metal sleeve expands, making it ideal for medium-weight objects.
For plaster walls, which are made by nailing strips of wood (laths) over wall studs and then covered with plaster, certain types of anchors are more suitable. The Cobra Triple Grip anchor, for example, has wings that flip out behind the drywall and is rated for use in plaster walls. Molly bolts can also be used in plaster-and-lath walls.
When it comes to masonry, plastic sleeve anchors can be used, along with the provided screws. Wall Dog Screws, for instance, can be used in masonry (or wood) if you drill a pilot hole.
Additionally, certain types of anchors are versatile and can be used in multiple wall types. The SnapToggle, for instance, is strong and easy to install, and it can be used in various wall materials, including ceramic tile, due to its small hole requirement.
It's important to note that the weight of the items you're hanging is also a crucial factor in choosing the right wall anchor. Plastic anchors are generally suitable for lightweight items, while metal anchors are better for heavier objects. Always refer to the weight ratings specified by the manufacturer and ensure that your wall is in good condition to support the anchors safely.
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Gather the right tools
The tools you will need to insert a plastic anchor into a wall depend on the type of wall and the weight of the object you are hanging.
If you are working with drywall, you will need a drill to make a pilot hole. Choose a drill bit that is slightly smaller than the diameter of the anchor. You can use masking tape to mark the depth of the screw you will install. You will then need a hammer to tap the anchor into the hole until it is flush with the wall.
If you are using a snap toggle anchor, you will need to ensure the wings are folded down before inserting it into the hole. You will then need to slide a small plate up to lock the toggle anchor in position.
For plastic ribbed anchors, you will need to drill a hole, insert the anchor, and then tap it into place with a hammer.
If you are using winged plastic anchors, you will need a drill, drill bits, and a screwdriver.
For self-drilling plastic anchors, you will need a screwdriver or electric drill to screw the anchor into the wall.
If you are working with plaster, you will need to use self-drilling anchors. You will need a drill, a flathead screwdriver, and needle-nose pliers to remove the anchor.
If you are mounting heavy items, you will need to locate the wall studs. To do this, you will need a stud finder.
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Drill a pilot hole
Drilling a pilot hole is an important step in inserting a plastic anchor into a wall. Here is a detailed guide on how to do it:
Select the Right Drill Bit: Choose a drill bit that matches the diameter of the plastic anchor you will be using. For plastic expansion anchors, the drill bit should be slightly smaller than the anchor to ensure a tight fit. If you are using a 1/4-inch plastic drywall anchor, for example, use a 1/4-inch drill bit.
Determine the Drill Depth: Consider the length of the anchor and how deep you need to drill. If you are working with drywall, be cautious not to drill too deeply to avoid damaging the wall. A helpful tip is to use masking tape on the drill bit to mark the desired depth. This will help you stop drilling at the right point and prevent over-drilling.
Mark the Spot: Identify the location where you want to place the anchor and mark it with a pencil. This will serve as your guide when drilling, ensuring you create the pilot hole in the exact spot needed.
Hold the Drill Steady: Fit your chosen drill bit into the drill. Position the drill at a 90-degree angle relative to the wall, aligning it with the marked spot. Hold the drill steady to maintain this angle and reduce the risk of drilling at an unintended angle.
Drill the Pilot Hole: Start drilling with steady pressure. Maintain a consistent speed and avoid applying excessive force. Continue drilling until you reach the desired depth as indicated by your masking tape marker or the appropriate depth for your specific application.
Clear the Hole: Once you've drilled the pilot hole to the desired depth, remove the drill. Check if there are any debris or remnants inside the hole. Use a small brush or compressed air to clear away any dust or particles that may have accumulated during the drilling process.
By following these steps, you will effectively drill a pilot hole that is appropriately sized, angled, and positioned for inserting a plastic anchor into the wall. Remember to work carefully and steadily when handling power tools to ensure a safe and accurate drilling process.
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Insert the anchor
Inserting a plastic anchor into a wall is a straightforward process, but it's important to be precise and careful to ensure a secure fit. Here is a detailed guide on how to insert a plastic anchor:
Prepare the Wall
Mark the spot where you want the anchor to go with a pencil. This will guide you in drilling the hole and ensure the anchor is placed correctly. It is important to select the right location on the wall, considering factors such as the weight of the object to be hung and the presence of any nearby fixtures or decorations.
Drill a Pilot Hole
Using a drill bit that matches the diameter of the anchor, create a pilot hole at a 90-degree angle to the wall. Ensure the hole is slightly smaller than the anchor itself. The depth of the hole should be considered, especially when working with drywall, to avoid drilling too deeply and causing wall damage. You may use masking tape to mark the appropriate depth.
Gently tap the plastic anchor into the pilot hole using a hammer until it is flush with the wall. Be careful not to overtighten, as this can deform the anchor and affect its grip. If you are using a snap toggle anchor, ensure the wings are folded down before insertion. For plastic expansion anchors, simply push them into the pilot hole by hand.
Secure the Anchor
Use a screwdriver to tighten the central screw of the anchor. As you do this, the collars at the back of the anchor will spread out and clamp onto the wall, providing a secure hold. Be sure to use the correct size of screw for the anchor to avoid damage.
Test the Strength
Once the anchor is in place, gently tug on the anchor or the item you have hung to test its strength. If it feels loose, you may need to remove it and try again with a larger anchor or a different type of anchor better suited to the weight of the object.
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Screw in the item
Now that the anchor is in place, you can screw in the item you want to hang. It is important to use the right size screw for the anchor. Be careful not to overtighten the screw, as this can damage the anchor. Once the screw is inserted far enough into the wall, you will hear a click. This indicates that the plastic anchor has split in two to grip the back of the wall.
When screwing in the item, make sure that the screw is not inserted too far into the anchor. If you decide to remove the anchor, you will need to insert the screw halfway back into the anchor on the wall. If you overtighten the screw, you may need to use pliers to hold the screw and pull it out.
If you are using a snap toggle anchor, make sure the wings are folded down before inserting it into the hole. Once the item is hung, give it a gentle tug to test the strength of the anchor. If the anchor feels loose, you may need to remove it and try a larger size.
If you are working with a plaster wall, you will need a small piece of wood with a hole slightly bigger than the head of the screw. Slip it through the screw and anchor and hold it down while you pull them out.
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Frequently asked questions
First, use a drill to make a pilot hole in the wall. The hole should be slightly smaller than the diameter of the anchor. Then, insert the anchor into the hole. If you are using a plastic expansion anchor, simply push it into the pilot hole by hand. If you are using a snap toggle anchor, make sure the wings are folded down before inserting it into the hole. Once the anchor is in place, use a screwdriver to get the anchor flush with the wall.
You will need a drill, a drill bit, a screwdriver, and a hammer. You may also need a pilot bit and masking tape.
First, gather your tools and select the appropriate drill bit. Then, use the drill to make a pilot hole in the wall. Insert the anchor into the hole, using your hand or a hammer if necessary. Use a screwdriver to tighten the anchor, and finally, screw in the item you want to hang.











































