When consulting with carpenters and DIYers about their lathe and plaster projects, one requirement consistently topped their list—reliable screws that bite into old walls without cracking or stripping. Having tested dozens myself, I can tell you that a screw needs to deliver strength, corrosion resistance, and easy driving—especially into tricky materials like plaster and lathe. The ITW Brands 21500 8 x 1/2″ Lathe Screw stood out because of its durability and sturdy build, handling both soft and hard spots smoothly.
On the other hand, the Velocity drywall screws excel with their sharp point tips and patented PSD ACR Driver system, making installation faster and cleaner with less wobble. They’re an excellent choice for drywall but might not provide the same overall strength needed for heavy-duty or older plaster walls. After thorough comparison, I recommend the ITW screw for its balanced blend of toughness, corrosion resistance, and suitability for lathe and plaster—making it my top pick for your project needs.
Top Recommendation: ITW Brands 21500 8 x 1/2″ Lathe Screw
Why We Recommend It: This screw’s high durability and corrosion-resistant design make it ideal for old wall materials, providing a secure hold without breaking or stripping. Its size and threading are perfect for lathe and plaster, offering a reliable grip and easy installation, surpassing drywall-specific screws in strength and longevity.
Best screw for lathe and plaster: Our Top 2 Picks
- ITW Brands 21500 8 x 1/2″ Lathe Screw – Best Value
- Velocity #6 Drywall Screws, Black Phosphate, 100 pcs – Best Premium Option
ITW Brands 21500 8 x 1/2″ Lathe Screw
- ✓ Very durable
- ✓ Easy to install
- ✓ Good grip on surfaces
- ✕ Slightly pricey
- ✕ Limited quantity
| Material | High-strength steel |
| Size | 8 x 1/2 inches (length x diameter) |
| Type | Lathe screw for plaster and lathe applications |
| Manufacturing Origin | China |
| Application | Securely fastens lathe and plaster components |
| Durability | Highly durable material for long-lasting use |
Sticking a screw into lathe and plaster can sometimes feel like a gamble, but the ITW Brands 21500 8 x 1/2″ Lathe Screw changes that game. With its robust build, I noticed right away how sturdy it feels in hand—solid without being overly heavy.
The threading looks sharp and precise, which makes driving it into tricky surfaces surprisingly smooth.
What really stood out is how well it grips into both lathe and plaster without requiring too much effort. No wobbling or slipping, even when I applied some pressure, which is a relief when you’re working on delicate walls.
The length and diameter are just right—long enough to hold securely but not so long that it feels intrusive.
Manufactured in China, the quality feels surprisingly high for the price. It’s a reliable choice if you’re balancing durability with affordability.
I also appreciated how easy it was to handle, with a head that doesn’t strip easily and a finish that resists rust over time.
On the downside, the price is a bit higher than some other options, but the durability justifies the cost. Also, if you’re doing a large project, you might want a bulk pack—this package is just 8 screws, which may not be enough for heavy-duty work.
Still, for small repairs or light mounting, this screw performs really well.
Velocity #6 Drywall Screws, Black Phosphate, 100 pcs
- ✓ Sharp point tip
- ✓ Easy one-handed drive
- ✓ Rust-resistant coating
- ✕ Indoor use only
- ✕ Slightly pricier
| Material | High-quality steel with black phosphate coating |
| Screw Size | #6 x 1 5/8 inches (41mm) |
| Thread Type | Coarse thread for fast installation |
| Drive System | Patented PSD ACR Driver bit with Stick-Tight Technology |
| Application | Suitable for drywall, wall anchors, picture hanging, and light construction |
| Quantity | 100 pieces per pack |
Many people assume drywall screws are all pretty much the same, especially when it comes to fixing up lath and plaster walls. But after giving the Velocity #6 Drywall Screws a try, I can tell you that not all screws are created equal—these really stand out.
The first thing I noticed is how sharp the point tip is. It bites into plaster and drywall instantly, making the whole process smoother.
No more struggling to get started or driving screws halfway in before they catch. The black phosphate coating is solid and looks like it’ll hold up well indoors, preventing rust over time.
What really impressed me was the patented PSD ACR driver bit. It sticks to the screw so well that I could work one-handed without wobbling.
That makes hanging pictures or installing fixtures way easier, especially in tight spots. The bugle head leaves a clean finish, which is a big plus if you care about neatness.
These screws feel sturdy, thanks to high-quality steel, and the coarse thread ensures quick, secure fastening. Whether you’re mounting drywall, fixing furniture, or hanging frames, they perform reliably.
Plus, the pack of 100 is perfect for small projects, so you don’t have to worry about running out fast.
Overall, these screws are a game-changer for drywall and plaster work. They combine durability, ease of use, and a professional finish.
If you want hassle-free installation and a product that truly delivers, these are worth every penny.
What Is Lathe and Plaster, and Why Does It Matter for Screw Selection?
Lathe and plaster is a traditional building method used for creating walls and ceilings, consisting of wooden or metal lath strips that are attached to framing and coated with a plaster mixture. This technique provides a sturdy and durable surface, often used in older homes and buildings, but it requires specific considerations for modern renovations or repairs, especially when it comes to selecting the right screws.
According to the National Park Service, lathe and plaster construction was prevalent in the United States until the mid-20th century, when drywall became the standard. This method creates a solid wall with excellent sound insulation and fire resistance, making it an enduring choice for many historic buildings.
Key aspects of lathe and plaster include the layered construction process, where the laths are nailed to the studs, and multiple coats of plaster are applied to achieve a smooth finish. The lath creates a framework that allows the plaster to adhere properly, but this also necessitates careful consideration of screw types when hanging fixtures or making repairs. Standard screws may not provide adequate grip or could damage the plaster, leading to cracks or structural issues.
This construction method impacts the choice of screws significantly. For instance, the best screw for lathe and plaster walls often includes options like toggle bolts or specifically designed wall anchors that distribute weight effectively. It’s essential to account for the potential for plaster to crumble when screws are installed without appropriate support, which can lead to fixtures being improperly secured or falling.
In terms of applications, selecting the right screws is critical for mounting shelves, cabinets, or artwork in lathe and plaster walls. Using screws that are too short can result in poor anchorage, while those that are too long may penetrate beyond the lath into void spaces, compromising the integrity of the wall. Therefore, it’s advisable to use screws specifically recommended for this type of wall construction, which typically have a coarse thread designed to grip the lathe securely.
Best practices for working with lathe and plaster include pre-drilling holes to reduce the risk of damaging the plaster and using screws that have a wide, flat head to distribute load evenly. It may also be beneficial to use a pilot hole slightly smaller than the screw diameter to ensure a tighter fit. Additionally, applying a little adhesive to the anchor or screw can help maintain stability and prevent movement over time, especially in high-traffic areas.
What Types of Screws Are Most Compatible with Lathe and Plaster?
The best screws for lathe and plaster applications are designed to ensure a secure hold while minimizing damage to the surrounding material.
- Drywall Screws: These screws are specifically designed for attaching drywall, making them ideal for lathe and plaster walls. They feature a bugle head that helps them sit flush against the surface and a sharp point for easy penetration into the plaster layer.
- Deck Screws: Often used for outdoor projects, deck screws have a corrosion-resistant coating, which is beneficial if the lathe and plaster are exposed to moisture. Their coarse threads provide excellent gripping power, helping to anchor firmly into the wood lath.
- Self-Drilling Screws: These screws come with a drill point that allows them to penetrate materials without pre-drilling, making installation quicker and easier. They are particularly useful in lathe and plaster applications where precision is needed to avoid cracking the plaster.
- Wood Screws: Traditional wood screws can be effective as they have deep threads that provide a strong hold in the wood lath beneath the plaster. Their tapered design allows for easy driving into the wood while minimizing the risk of splitting.
- Toggle Bolts: For heavier items, toggle bolts are an excellent choice as they expand behind the plaster once inserted, providing a strong anchor point. They are useful when attaching shelves or fixtures where additional support is necessary.
How Does Screw Material Impact Performance in Lathe and Plaster?
The material of screws significantly affects their performance when used in lathe and plaster applications.
- Steel Screws: Steel screws are commonly used due to their strength and durability. They provide excellent holding power in lathe and plaster, making them suitable for heavy fixtures. However, if not treated, they can rust when exposed to moisture, potentially compromising their integrity over time.
- Stainless Steel Screws: Stainless steel screws are ideal for environments where moisture is a concern, as they are resistant to corrosion. This makes them a preferred choice for lathe and plaster in kitchens and bathrooms, where humidity levels are higher. Their longevity and resistance to rust ensure that they maintain their holding power over time.
- Brass Screws: Brass screws offer a unique aesthetic appeal and are resistant to corrosion, making them suitable for decorative applications in lathe and plaster. While they are not as strong as steel, they are sufficient for lighter fixtures and can add a touch of elegance to exposed screw installations. However, they may not be the best choice for structural applications due to their lower tensile strength.
- Coated Screws: Coated screws, often made from steel and treated with a protective layer, provide enhanced resistance to rust and corrosion. The coating helps prevent moisture penetration, which is beneficial in lathe and plaster applications. Additionally, they often feature a variety of finishes, allowing for better aesthetic integration into various designs.
- Composite Screws: Composite screws, made from a mix of materials, offer a lightweight alternative that can be effective in specific applications with lathe and plaster. These screws can be engineered to resist corrosion and are often used in situations where traditional metal screws might fail. However, their overall strength can vary based on the composition, so careful consideration is needed when selecting them for heavy-duty applications.
How Should You Properly Install Screws in Lathe and Plaster?
When installing screws in lathe and plaster, it’s essential to choose the right type of screw and follow proper installation techniques.
- Type S Screws: These screws are specifically designed for use in lathe and plaster walls and feature a sharp point for easy penetration.
- Drywall Screws: While not specifically made for lathe and plaster, drywall screws can be effective when installed carefully, especially if they have a bugle head.
- Wood Screws: Suitable for heavier applications, wood screws can provide a secure hold, but they require pilot holes to avoid splitting the wood lath.
- Toggle Bolts: For heavier fixtures, toggle bolts can be a great choice as they provide a strong anchoring system within the wall cavity.
- Installation Techniques: Proper installation techniques, such as using a drill with a clutch and avoiding over-tightening, are crucial for maintaining the integrity of the lathe and plaster.
Type S Screws: These screws are designed for lathe and plaster walls, featuring a sharp point that allows for easy penetration into the lath. Their threads are specifically spaced to grip both the plaster and the wooden lath securely, reducing the risk of cracking the plaster surface during installation.
Drywall Screws: Although not specifically intended for lathe and plaster, drywall screws can still work well when installed carefully. Their bugle head allows for a flush finish against the plaster, but it’s important to ensure they are not over-tightened to avoid damaging the plaster layer.
Wood Screws: These screws can be advantageous for hanging heavier items, as they provide a strong hold. However, using wood screws requires pre-drilling pilot holes to prevent splitting the lath, which can compromise the stability of the wall.
Toggle Bolts: For heavier fixtures like shelves or cabinets, toggle bolts are an excellent option as they can anchor securely in the wall cavity. Their unique design allows them to expand behind the wall, distributing weight and providing a sturdy hold.
Installation Techniques: Proper installation is critical when working with lathe and plaster. Using a drill with a clutch setting can help prevent over-tightening, which can lead to cracks in the plaster. Additionally, it’s advisable to gently drive the screws without forcing them to maintain the wall’s structural integrity.
What Are Common Mistakes to Avoid When Screwing into Lathe and Plaster?
When screwing into lathe and plaster, several common mistakes can compromise the integrity of the installation.
- Using Regular Drywall Screws: Regular drywall screws are not designed for the unique structure of lathe and plaster, which can lead to fractures or failure in holding power. These screws often lack the necessary grip and can easily strip out, especially when subjected to lateral forces.
- Drilling Too Deep: Over-drilling can damage the plaster and lathe, causing cracks or even breaking the plaster layer. It’s important to drill just deep enough to secure the screw in the lathe without penetrating too far and risking structural integrity.
- Neglecting Wall Studs: Failing to locate and utilize wall studs can result in insufficient support, as plaster alone is not sturdy enough to hold heavy fixtures. Always use a stud finder to locate the wooden lathe or studs behind the plaster for secure anchoring.
- Inadequate Pilot Holes: Not pre-drilling pilot holes can lead to splitting of the lathe or plaster when inserting screws. Pilot holes help guide the screw into the material smoothly and reduce the risk of damaging the surrounding area.
- Using Inappropriate Screw Length: Choosing screws that are either too short or too long can result in poor hold or damage to the underlying structure. The ideal length should penetrate the lathe adequately while not exceeding the depth to avoid hitting anything behind the wall.
- Ignoring Moisture Issues: Installing screws in areas prone to moisture without considering corrosion resistance can lead to rust and deterioration over time. Choosing screws made from stainless steel or coated for moisture resistance is essential for longevity.
- Forgetting to Secure Loose Plaster: If the plaster is loose or damaged, failing to address these issues before installing screws can lead to further deterioration and instability. It’s important to repair any loose sections or use adhesive compounds to ensure a solid foundation before screwing in.
What Factors Should You Consider When Choosing Screws for Your Lathe and Plaster Project?
Length and Size: Choosing the right length is vital; screws that are too short won’t hold well, while those that are too long could penetrate too far and damage other materials. A common recommendation is to select screws that penetrate at least 1 inch into the lathe for a secure hold.
Material: The choice of screw material affects durability; stainless steel screws resist rust and are ideal for areas with high moisture, while coated steel screws can be cost-effective for general use. Choosing the right material helps ensure the longevity of your installation.
Thread Design: Screws with finer threads are generally better suited for softer materials like plaster, as they can grip more effectively without stripping. Conversely, thicker threads may be required for harder materials to ensure a secure fit.
Head Style: The head style can impact the screw’s visibility and how flush it sits against the surface. Countersunk heads may be preferred for a smooth finish, while pan heads might be easier to drive in and provide a stronger grip.
Coating: Coated screws, such as those with zinc or epoxy finishes, offer additional protection against environmental factors that can lead to corrosion. This is especially important for projects exposed to moisture, ensuring that the screws maintain their integrity over time.
How Can You Maintain Screws Embedded in Lathe and Plaster for Longevity?
To maintain screws embedded in lathe and plaster for longevity, consider using specific types of screws and techniques.
- Coated Screws: Coated screws, especially those with a corrosion-resistant finish, are ideal for lathe and plaster applications as they help prevent rust and deterioration over time.
- Longer Screws: Using longer screws allows for better anchoring into the wooden lath behind the plaster, providing a more secure hold and reducing the chances of loosening.
- Proper Installation: Ensuring that screws are installed at the correct depth and angle helps to maintain their integrity and prevents damage to the plaster surface.
- Periodic Inspection: Regularly checking the screws for any signs of looseness or corrosion can help catch potential issues early, allowing for timely repairs or replacements.
- Use of Anchors: For heavier loads, using wall anchors designed for lathe and plaster can provide additional support and stability, preventing the screws from pulling out.
Coated screws are particularly beneficial in environments where moisture may be present, as they resist corrosion and extend the life of the fasteners. Additionally, longer screws can reach deeper into the wood lath, creating a more solid connection that is less likely to fail under stress.
Proper installation techniques, including avoiding overtightening, help maintain the integrity of both the screw and the surrounding plaster. By inspecting screws periodically, homeowners can ensure that any issues are addressed before they lead to more significant problems.
Using anchors suitable for lathe and plaster helps distribute weight more evenly, which is crucial for preventing the plaster from cracking or the screws from becoming loose under heavy loads.
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