Omar Khalid
Plastic molly bolts are a type of screw fastener used to attach objects to plaster or gypsum board hollow walls. They are also referred to as hollow-wall anchors or hollow-door anchors. To attach a plastic molly, you first need to drill a hole in the desired location. The hole should be the same diameter as the molly bolt. Once the hole is drilled, tap the molly into the hole until it is flush with the drywall. It's important to make sure that the metal teeth of the molly bolt are firmly embedded in the wall. Then, turn the molly's screw clockwise, pulling the base towards the inside of the wall and expanding the metal legs. Keep turning the screw until you feel strong resistance and the top of the molly is pulled tightly against the wall.
| Characteristics | Values |
|---|---|
| Definition | A molly, or molly bolt, is a type of screw fastener that attaches objects to plaster or gypsum board hollow walls. |
| Use Case | Used to hang moderate weights on walls, including heavy objects like shelving, flatscreen-TV mounts, or central heating radiators. |
| Installation Process | 1. Drill a hole the diameter of the molly in the desired location. 2. Tap the molly into the hole until the head is flush with the drywall. 3. Turn the molly's screw clockwise to expand the metal legs and anchor it in the wall. |
| Removal Process | 1. Try to twist the top of the molly bolt off with pliers. 2. Use a screwdriver to push the body of the molly into the wall, leaving a clean hole. 3. Unscrew the screw until it's out, then put it in a turn or two to hold the far end while shrinking the wide part of the molly. |
| Variations | Plastic or metal; various diameters and grip lengths (shank lengths) for different drywall thicknesses and load capacities. |
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What You'll Learn
Drill a hole in the wall
To attach a plastic molly to a wall, you will need to first drill a hole in the wall. The size of the hole is critical to the proper functioning of the anchor. If the hole is too small, the anchor won't fit, and if it's too large, it won't hold.
Drill bits come in various sizes, so be sure to select the correct one. You can consult the instructions on the drywall anchor package to select the correct size of drill bit. If you do not have the instructions, estimate the bit size by comparing the bits to the shaft of the sleeves. When in doubt, use a smaller bit than the one that seems appropriate. You can always enlarge the hole if needed.
Fit the drill bit into the drill and begin drilling. Drill a hole in the drywall all the way through. If you are drilling into concrete, use a masonry bit and drill a hole deeper than the anchor is long.
Once you have drilled the hole, you can push the plastic sleeve anchor into the hole by hand. If the sleeve is tight, gently tap it with a hammer until it is flush with the drywall.
Now you can attach the molly bolt. Drive a screw into the anchor, and it will expand and wedge against the sides of the hole. As you tighten the bolt or screw, the wings will expand against the back of the drywall, and the sleeve will expand against the sides of the hole to hold the bolt in place.
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Tap the molly into the hole
To attach a plastic molly, also known as a molly bolt, you must first insert the molly into a pre-drilled hole. The diameter of the molly and the grip length (also known as the shank length) must be appropriate for the drywall thickness and the weight of the object being fastened.
The next step is to tap the molly into the hole. This is done by using a small block of wood and a hammer to tap the bolt so that it is flush with the wall. It is important to use a block of wood so that the hammer does not directly strike the molly and damage it.
Once the molly is flush with the wall, you can use a drill or screwdriver to tighten the screw. This will cause the anchor to expand and grip the inside of the hole, creating a secure fastening.
If you are attaching an object to the wall, such as a shelf or TV mount, you should place the object and any supplemental hanging hardware between the screw and the fastener before tightening. This will ensure that the object is securely attached to the wall.
Plastic mollies are a reliable and durable way to fasten objects to plaster or gypsum board hollow walls. They can also be used to replace existing plastic wall anchors if you need to increase the weight capacity.
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Embed the molly's metal teeth
Embedding the molly's metal teeth is a crucial step in ensuring a secure and firm hold for your plastic molly bolt. Here's a detailed guide on how to do it:
Prepare the Hole
Before you begin embedding the metal teeth of the molly, it's important to prepare the hole in the wall. Use a drill to create a hole that matches the diameter of the molly. This step is crucial, as mollies require a precise fit to function effectively. Failing to pre-drill the hole can result in the molly becoming bent or distorted, especially if the wall is too hard. If you're working with smaller mollys, you can use an awl to form the hole, similar to the process used for installing plastic expansion anchors.
Tap the Molly into the Hole
Once the hole is prepared, it's time to insert the molly. Gently tap the molly into the hole using a hammer or a similar tool. Make sure that you tap it firmly enough so that the head of the molly becomes flush with the drywall or plaster surface. This ensures that the molly is securely seated and ready for the next step.
Now, it's time to focus on the metal teeth of the molly. These teeth are essential for gripping onto the drywall and providing a sturdy hold. Use a screwdriver to turn the molly's screw in a clockwise direction. As you do this, you will notice that the base of the molly begins to move towards the inside of the wall. This action causes the metal legs of the molly to expand and press against the back of the drywall. It is crucial that you turn the screw tightly until you feel strong resistance and observe that the top of the molly has pulled tightly against the wall. This resistance and tight fit indicate that the metal teeth have successfully embedded into the drywall.
Safety and Tool Recommendations
When embedding the metal teeth, it's important to use the right tools. Most molly screws have a combination of Phillip's and slotted head designs. It is recommended to use a slotted screwdriver for this task, as a Phillip's head screwdriver may slip and cause accidental damage to the wall. Always ensure that you stop turning the screw when you feel strong resistance, as this indicates that the molly is securely in place.
By following these steps and paying close attention to the embedding of the molly's metal teeth, you can confidently attach your plastic molly to the wall, creating a strong and reliable anchor for hanging items. Remember to choose the appropriate size and type of molly bolt for your specific application and weight requirements.
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Turn the molly's screw clockwise
To attach a plastic molly, you will need a plastic molly bolt and a screw. Predrilling is important, so start by drilling a hole the diameter of the molly in the desired location. Tap the molly into the hole until the head is flush with the drywall. Make sure that the molly's metal "teeth" are firmly embedded in the drywall.
Now, for the part where you "turn the molly's screw clockwise": Place the screw into the sleeve of the plastic molly. Turning the screw in a clockwise direction will cause the anchor to bend, expand, spread, and grip against the inside of the hole. Keep turning the screw until you feel strong resistance and the top of the molly has pulled tightly against the wall. This is how the molly screw provides a firm hold for hanging objects on the wall.
It is important to note that most molly screws have a combination Phillip's/slotted head. It is recommended to use a slotted screwdriver for this task, as a Phillips screwdriver may slip and cause damage to the wall.
Once the molly is firmly in place, you can hang your desired object. Just make sure it's not too heavy for the bolt, or the plaster may rip and the object may fall. Plastic molly bolts are sturdier than other anchors and can support heavier weights. However, they should still be used according to their weight capacity to avoid any accidents.
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Hang your desired object
Now that you've attached your plastic molly bolt, you can hang your desired object. It is important to note that molly bolts are designed for moderate weights, and while they can support heavier objects, you should use multiple bolts for added support.
Before hanging your object, ensure that the area is clear and that you have enough space to work with. You should also make sure that the object you are hanging is not too heavy for the bolt, as it may rip the plaster and cause the object to fall.
If you are hanging something like a towel bar, you should mark the holes and drill them at an offset so that the holes are concealed behind the bar, but the molly screw is still in the right location. This will give your object a neat appearance while also ensuring it is secure.
Once you have checked that your object is not too heavy for the bolt and marked the appropriate holes, you can hang your desired object. Be sure to follow any additional instructions that came with your specific plastic molly bolt, as there may be slight variations in installation methods.
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Frequently asked questions
A plastic molly, or molly bolt, is a type of screw fastener used to attach objects to plaster or gypsum board hollow walls.
First, drill a hole in the desired location. The hole should be the same diameter as the molly. Then, tap the molly into the hole until it is flush with the drywall. The molly's screw should be turned clockwise, pulling the base towards the inside of the wall and expanding the metal legs.
You will need a drill, a screwdriver, and a marker or chalk to mark the location of the hole.
Plastic mollies can be used to hang moderate weights on walls. For heavier objects, multiple mollies may be required.
Removing a plastic molly is not as easy as removing a plastic anchor, as the expansion is permanent. One method is to twist the top of the molly bolt off using pliers, then push the body of the molly into the wall using a screwdriver.
