Omar Khalid
Drywall anchors are essential when hanging items on drywall to ensure the item does not slip out or damage the wall. While metal anchors are stronger, plastic drywall screws are a cheaper and more lightweight option. They are often included with items intended for installation on a wall or ceiling. Plastic drywall anchors have raised rings or barbs along their body to improve grip. When installing plastic drywall screws, it is important to first use a stud finder to ensure there is not a stud behind the wall. If there is not, you can drill a pilot hole, insert the plastic anchor, and then screw it in.
| Characteristics | Values |
|---|---|
| Installation Process | Mark the spot where the anchor will go. Drill a pilot hole. Insert the anchor into the pilot hole. Drive the screw into the anchor. |
| Pilot Hole | Should be drilled at a 90-degree angle. Use a drill bit smaller than the width of the anchor. May not be necessary for some anchor types. |
| Anchor Insertion | Tap the anchor into the hole with a hammer until it is flush with the wall. For plastic expansion anchors, simply push them into the pilot hole by hand. |
| Screw Installation | Drive the screw into the anchor with a screwdriver. The anchor will expand, providing a secure hold. |
| Anchor Types | Plastic expansion anchors, screw-in anchors, molly bolts, hollow wall anchors, self-drilling anchors, toggle and butterfly anchors. |
| Anchor Selection | Choose based on the weight of the item being hung. Metal anchors are stronger than plastic. |
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What You'll Learn
Mark the spot for the anchor with a pencil
Marking the spot for the anchor with a pencil is the first step in installing plastic drywall screws. This process is crucial, as it ensures that the anchor is positioned correctly and securely. Here's a detailed guide on how to mark the spot effectively:
Before you begin, it is important to determine the type of anchor you will be using. Different anchors have varying installation requirements. For example, plastic expansion anchors, self-drilling anchors, and toggle bolts all have unique characteristics that influence the marking and installation process. Knowing your anchor type will help you understand specific considerations for marking the spot.
Once you have identified the anchor type, you can proceed with marking the spot. Start by identifying the desired location for your anchor on the wall. This location should be chosen based on the object you plan to hang and any weight-bearing considerations. Use a tape measure if precise measurements are required for your project.
Next, take your pencil and mark the exact spot where you want the anchor to be installed. Make sure the mark is visible and distinct. This mark will guide the placement of the anchor and the subsequent drilling process. It is important to be accurate at this stage, as the pencil mark will determine the final position of your anchor.
For projects that require multiple anchors, such as mounting a TV, coat rack, or floating shelf, repeat the marking process for each anchor location. This ensures that your anchors are evenly spaced and aligned. Take your time with this step, as accurate markings will result in a neater finish and better weight distribution.
Finally, use a stud finder to ensure there are no studs behind the marked spot. Installing an anchor into a stud is not recommended, as it can damage the stud and reduce the effectiveness of the anchor. If a stud is present, adjust your markings accordingly to avoid it.
By following these steps, you will accurately mark the spot for your plastic drywall anchor. This marked spot will guide the subsequent steps of drilling and anchor installation, ensuring a secure and stable final result. Remember to take your time and double-check your markings to avoid mistakes during the installation process.
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Drill a pilot hole
Drilling a pilot hole is an important step in installing plastic drywall screws. While not all wall anchors require a pilot hole, it is a helpful step that can save you time and effort in the long run. Here is a detailed guide on how to drill a pilot hole:
Mark the Spot: Before you start drilling, use a pencil to mark the desired spot where you want the anchor to go. This will ensure that you drill in the correct location.
Choose the Right Drill Bit: Select a drill bit that is slightly smaller than the width of the anchor you will be using. Check the packaging of the drywall anchor for the recommended bit size. If you are using a plastic anchor, a pilot bit with a diameter similar to the anchor's width is suitable.
Drill at a 90-Degree Angle: Hold your drill at a 90-degree angle relative to the wall. This ensures that the hole is drilled straight and perpendicular to the wall surface.
Drill with Steady Hands: Maintain a steady grip on the drill as you begin drilling. Take your time and drill slowly to ensure that the hole is straight and at the correct depth. Drilling at odd angles can affect the alignment of your mounted item.
Check for Obstructions: Be mindful of what lies behind the wall. Depending on your installation location, there may be plumbing or wiring behind the wall. Use a stud finder to ensure there are no studs or obstructions where you plan to drill.
Drilling the Hole: Start drilling at your marked spot. Apply gentle pressure and let the drill do the work. Drill to a depth that accommodates the length of the anchor. For toggle bolts and steel hollow wall anchors, a larger pilot hole may be required.
By following these steps, you will create a precise pilot hole that will make installing plastic drywall screws much easier. Remember to work carefully and patiently, as drilling holes in the wrong places or at incorrect angles can complicate your installation process.
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Insert the anchor into the pilot hole
When inserting the anchor into the pilot hole, there are a few methods you can use depending on the type of anchor. For plastic expansion anchors, simply push the anchor into the pilot hole by hand. You can also use a screwdriver to push the anchor into the drywall cavity. If you are using a hollow wall anchor or molly bolt, you will need to tap the anchor into the pilot hole with a hammer. Make sure the collar of the anchor is flush with the wall surface and do not drive the collar beneath the surface of the wall. For a strap-type toggle anchor, insert the toggle through the pilot hole, then pull the straps towards you to set the toggle against the back of the wall. Finally, slide the anchor collar along the straps and against the wall surface.
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Drive the screw into the anchor
When you're ready to drive the screw into the anchor, insert the screw that came with the anchor, if available. If you don't have the original screw, select a screw that is appropriate for the weight of the item you're hanging. For example, metal screws are stronger than plastic screws.
As you drive the screw into the anchor, the shank of the anchor will split and expand into flanges or wings that grip the interior of the drywall. This helps to secure the anchor and prevents it from pulling out easily.
If you're using a self-drilling anchor, you can use a screwdriver or an electric drill to screw it in. For other types of anchors, such as winged plastic anchors, it's best to use a screwdriver to push the anchor into the drywall cavity.
Once the screw is inserted far enough, you'll hear a click, and the plastic anchor will split in two to grip the back of the wall. This ensures that the anchor is securely in place and won't come out of the drywall.
If your expansion anchor starts to turn when inserting the screw, you can try two alternative methods. One option is to cut another anchor lengthwise and slide one half of it into the space between the anchor and the side of the hole. Another option is to remove the anchor and use the next size up.
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Use a stud finder to avoid drilling into studs
When installing plastic drywall screws, it is important to avoid drilling into studs. Drilling into a stud can damage your walls and electrical wires. To avoid this, use a stud finder to locate the studs and mark their positions before you begin.
A stud finder is a handheld device that uses sensors to detect changes in density behind your walls, indicating the presence of a stud. There are three main types of sensors used in stud finders: magnetic, electronic, and beam finders. Each type has its pros and cons, so it's important to choose the right one for your project. Magnetic stud finders, for example, are relatively inexpensive and use a magnet to detect metal fasteners or nails in the stud. However, they are less accurate than electronic stud detectors, which can detect changes in density behind drywall but require batteries and calibration. Beam finders, on the other hand, use laser technology to detect studs and are the most accurate, but they are also the most expensive.
When using a stud finder, it's important to prepare the device by calibrating it and checking the batteries. Move the device slowly and steadily over the drywall to detect the density changes, and avoid pressing too hard as this can create false readings. Once you've located a stud, mark its position before drilling.
If you don't have access to a stud finder, there are alternative methods to locate studs. One simple technique is to drill small holes where you suspect a stud may be. If you feel resistance and see wood when you remove the drill bit, you've found a stud. You can also try removing a switch plate or outlet cover to glimpse into the wall cavity and possibly see or feel the presence of a stud. However, these methods are not as reliable as using a stud finder, which can save you time and effort by quickly and accurately locating studs.
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Frequently asked questions
Mark the spot where you want the anchor to go with a pencil. Drill a pilot hole at a 90-degree angle, then insert the plastic anchor by hand. Finally, use a screwdriver to drive the screw securely into the anchor.
Not all wall anchors require a pre-drilled pilot hole, but it is recommended as it can save time and ensure the anchor is inserted at the correct angle.
Plastic drywall screws are typically used for lighter-weight items such as picture frames, small shelves, or light fixtures.
Metal anchors tend to be stronger than plastic anchors. Steel hollow wall anchors, for example, are metal-cased anchors that expand behind the wall when the bolt is screwed in and can hold heavier objects such as cabinets, shelves, and mirrors.
