A complete Guide to choosing the right Drywall screw for your task

Before you can understand what drywall and screws are, you must first comprehend what the term “drywall” actually means which essentially helps in avoiding any blunder or confusion in construction. 

What is drywall screw or plasterboard screw?

Drywall, sometimes referred to as plasterboard or wallboard, has only been used to build interior walls and ceilings.

Gypsum plaster is used to create the panel, which is sandwiched in between two heavy sheets of either backer or facer paper. Many design elements, such as eaves, arches, and other architectural peculiarities, are also made using it. It is highly robust, quick, and easy to install with drywall screws but also anchors, and just needs quick repairs when damaged.

What is the use of drywall in construction?

Drywall is frequently utilized to hide steel structures and exterior columns and is also actually quite good at containing fires. Drywall would serve to slow the spread of a fire if it were to start within a building, giving occupants more time to leave the area safely.

We could now discuss the drywall screw since the drywall’s general framework has been built. They are made to fasten clocks, pictures, mirrors, and other decorative elements to interior walls. As they prefer to easily unscrew themselves without the double enforcement of an anchor structure, common nails and screws do not work on drywall.

while there are many different sizes and shapes of drywall screws and anchors. You may be familiar with the term “expansion anchor.” This is an anchor for drywall. The anchor’s mechanism is the source of this appellation. As you insert the screw farther into the wall, it widens to push against the surrounding walls of the hole you are making and forms a secure grip.


What are plasterboard or drywall screws?

How many drywall screw thread types are there?

How do you select the perfect drywall screw length for your project?

What distinguishes black phosphorus-coated drywall screws from zinc-coated drywall screws?

Describe the screw gauge.

How should I use drywall anchors and screws?

What is plasterboard or drywall screws?

Drywall screws can be distinguished by their unique appearance as there is a joint between the head and shaft of plasterboard (or drywall) screws meet is curved which specifically helps to prevent tearing. These are designed to provide a secure and long-lasting fit for fixing drywall and have become the standard fastener for securing full or partial sheets of plasterboard to wall studs or ceiling joists.

How many drywall screw thread types are there?

Drywall screws come in many different varieties, each with significant attributes. The most typical varieties of plasterboard screws are:

1.Coarse drywall screws

When inserting plasterboard into the wood, coarse thread drywall screws are the preferred choice. They come with a phosphate coating that protects the screw against corrosion as timber is more \susceptible to dampness. Since softwoods are less likely to clog when screwing, it is perfect in every way for softwoods used in drywalling.

2.Fine Drywall screws

Drywall attachment to metal framing is best accomplished with the use of Fine Drywall screws which are robust and long-lasting in nature. Fine thread drywall screws are available with a small minimum length so they don’t need to go as far into the metal studs. The ideal option is metal stud drywall because, thanks to their higher tensile strength, they are better suited for tougher materials like oak and maple.

3.Self-drilling screws

These are intended specifically to fasten drywall to heavier gauge track and ceiling track systems.

How do you select the perfect drywall screw length for your project?

What you’re fixing the plasterboard to is the most important factor to take into account when choosing your plasterboard screws, along with their size. When choosing drywall screws, it’s important to keep in mind that longer screws provide a stronger fastening, but they are also more challenging to install. To make it simpler for our customers to identify the ideal screw for their intended purpose, we stock a wide range of sizes. It’s crucial to keep in mind that when picking a screw length, the nail must always be three times as long as the material thickness it will be driven into.

What distinguishes black phosphorus-coated drywall screws from zinc-coated drywall screws?

A zinc screw’s design and construction prevent the steel underneath from corroding by simply allowing the coating to do so, thus protecting the steel, therefore the integrity of the screw. Even though zinc starts to corrode right away, it does so slowly and offers longer-lasting protection than a black phosphorous screw. It’s a terrific bargain choice for dry regions, especially when the screw head won’t be seen.

Even better value is a coating made of black phosphorous. Over a shorter period, it offers more protection than zinc. The coating, unlike zinc, is made to stop corrosion before it starts, making it mark-free, but it won’t completely stop corrosion, making it unsuitable for outdoor conditions. It’s a nice aesthetic decision in which the screw head will be in dry applications.

Describe the screw gauge.

The diameter of the drywall screw is referred to as the screw gauge. You will typically at least can use either #6 or #8 drywall screws.

Remember that the screw’s diameter grows as the gauge number rises. The standard way to describe a screw’s size is gauge number x length. A 5/8-inch-long screw with a 3.5 mm diameter, for instance, can be represented as #6 x 5/8″.

How should I use drywall anchors and screws?

Typically, you must first drill a clearance hole through the wall that is large enough to accommodate the fixing’s body but not its head. Use the drill bit size specified on the fixing packet to accomplish this. Then, DRYWALL ANCHORS, such as wall plugs, plastic toggles, spring toggles, and wall anchors, are inserted into the wall before anything else and can hold a screw in place, allowing you to screw an object into the wall via the fixing. This has the effect of increasing the area of the plasterboard being put under stress by the object hanging from it. In comparison to putting a drywall screw alone, this provides considerably superior hold.

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