Drywall Screws 3.5 x 42 mm Black Phosphate – Coarse Thread Phillips Bugle Head

For reliable plasterboard and drylining installation, choosing the right fixing can make a significant difference to the speed, finish and overall quality of a project. These drywall screws are designed with a coarse thread, Phillips drive and bugle head to provide a practical fastening solution for suitable plasterboard and timber stud applications.

The Coarse Thread Drywall Screws 3.5 x 42mm Black Phosphate Phillips Bugle Head – Qty 1000 (With Free Driver Bit) are supplied in a convenient bulk pack of 1,000 screws, making them ideal for larger construction, renovation, drylining and interior fitting projects. The black phosphate finish, sharp point, coarse thread and bugle head combine to make these screws a useful choice for professional tradespeople, contractors and DIY users.

What Are Drywall Screws?

Drywall screws are specialist fixings commonly used to secure plasterboard, drywall and similar board materials to suitable supporting structures. Their design is intended to allow efficient penetration through the board and into the supporting material while helping the screw head sit neatly within the board surface.

These 3.5 x 42 mm drywall screws feature a coarse thread, making them particularly suitable for applications involving timber stud work. Coarse-thread drywall screws are commonly specified for fixing plasterboard to timber because the wider thread profile provides effective engagement with the supporting material.

Product Specifications

Specification	Details
Product Type	Drywall Screws
Focus Keyword	Drywall Screws
Size	3.5 x 42mm
Diameter	3.5mm
Length	42mm
Thread Type	Coarse Thread
Head Type	Bugle Head
Drive Type	Phillips
Finish	Black Phosphate
Pack Quantity	1,000
Driver Bit	Free Driver Bit Included
Primary Application	Plasterboard/Drywall Fixing
Typical Substrate	Timber Stud Work
Application Type	Interior Drylining and Suitable Fixing Applications

Product listings for this specification identify the 3.5mm × 42mm size, black phosphate finish, Phillips drive, bugle head, and 1,000-piece pack; similar listings also specify these screws for plasterboard-to-timber applications.

Key Features of These Drywall Screws

3.5 x 42 mm Size

Each screw measures 3.5mm in diameter and 42mm in length, providing a practical size for many plasterboard-to-timber fixing applications.

The 42mm length is a commonly available drywall screw size and can be suitable for standard board-fixing applications depending on the board thickness, substrate, and required embedment. Always select screw length according to the specific installation requirements.

Coarse Thread Design

The coarse thread is designed for efficient engagement with timber and other suitable substrates. It helps the screw drive into the supporting material effectively while providing secure thread engagement.

For plasterboard fixed to timber stud work, coarse-thread screws are generally preferred over fine-thread alternatives.

Black Phosphate Finish

These drywall screws feature a black phosphate finish. This finish is commonly used on drywall screws and provides a practical surface treatment for interior drylining applications.

The black appearance also gives the screws their distinctive finish, making them easy to identify alongside other types of construction fixings.

Phillips Drive

The Phillips drive provides compatibility with the appropriate Phillips screwdriver or driver bit. A positive driver engagement helps make installation straightforward when using a suitable power screwdriver or drill/driver.

This product is supplied with a free driver bit, adding convenience for installation work.

Bugle Head

The bugle head is specifically suited to drywall and plasterboard applications. Its curved profile helps the screw sit neatly into the board without requiring a separate countersinking operation.

The bugle head design also helps minimise unnecessary damage to the plasterboard surface when the screw is correctly installed.

Bulk Pack of 1,000

With 1,000 screws per pack, this product is particularly useful for larger projects where a substantial quantity of fixings is required.

A bulk pack can be convenient for:

• Drylining contractors
• Builders
• Plasterboard installers
• Renovation projects
• Commercial interiors
• Construction companies
• Maintenance teams
• DIY projects

Applications of Drywall Screws

These drywall screws are primarily suitable for plasterboard and drylining applications where the board is being fixed to an appropriate supporting structure.

Plasterboard to Timber Stud Work

One of the main applications for coarse-thread drywall screws is fixing plasterboard to timber studs. The coarse thread is designed to engage effectively with timber, making these screws a practical choice for internal wall and ceiling installations.

Drylining Projects

For professional drylining work, having a suitable quantity of consistent fixings can help installers work efficiently across larger areas.

The 1,000-piece pack provides a useful supply for projects requiring repeated plasterboard fixing.

Wall Installation

These screws can be used for suitable internal wall installations where plasterboard is being attached to timber framing or another compatible substrate.

Ceiling Applications

Suitable drywall screws can also be used for plasterboard ceiling installation when the screw length and fixing method are appropriate for the particular board and supporting structure.

Renovation and Refurbishment

Whether replacing damaged plasterboard or completing a full interior refurbishment, drywall screws are an essential type of fixing for many plasterboard-related projects.

Benefits of Using Drywall Screws

Choosing the correct screw design can help make plasterboard installation easier and more efficient.

Reliable Board Fixing

The combination of a coarse thread and suitable screw length provides effective engagement for many plasterboard-to-timber applications.

Easy Installation

The Phillips drive and sharp point are designed to make the screws straightforward to drive using suitable tools.

Neat Surface Finish

The bugle head is designed to sit into drywall or plasterboard while helping reduce unnecessary surface damage. This can help create a better base for subsequent filling, taping, skimming or decorating.

Efficient Large-Scale Installation

A box containing 1,000 screws is ideal for projects where large quantities of fixings are required.

Convenient Free Driver Bit

The included driver bit provides additional convenience and means you have a suitable bit supplied with the pack.

Why Choose 3.5 x 42mm Drywall Screws?

The 3.5 x 42mm size offers a useful option for a range of plasterboard fixing applications. However, the correct screw length should always be selected according to the thickness of the board and the supporting material.

For example, product range data for coarse-thread drywall screws lists 3.5 x 42mm as a size for plasterboard-to-timber applications, with suitability depending on board thickness and installation conditions.

The combination of:

• 3.5mm diameter
• 42mm length
• Coarse thread
• Black phosphate finish
• Phillips drive
• Bugle head
• 1,000-piece quantity
• Free driver bit

Makes this a practical bulk-fixing solution for suitable interior plasterboard projects.

How to Use Drywall Screws

For best results, follow the appropriate installation procedure for your plasterboard system and supporting structure.

Step 1: Position the Plasterboard

Place the plasterboard securely against the prepared timber stud or suitable supporting framework.

Ensure the board is correctly aligned before beginning the fixing process.

Step 2: Select the Correct Driver Bit

Use the supplied suitable driver bit or another compatible Phillips bit.

Make sure the bit is correctly seated in the screw recess before driving.

Step 3: Drive the Screw

Drive the drywall screw through the plasterboard and into the supporting material.

Apply controlled pressure and avoid excessive driving force.

Step 4: Set the Screw Head Correctly

The bugle head should sit neatly into the plasterboard without excessively breaking through the board’s surface or damaging the paper facing.

Correct screw depth is important for achieving a good finished surface.

Step 5: Continue at Suitable Fixing Points

Repeat the process according to the board manufacturer’s recommended fixing pattern and the requirements of your installation.

Drywall Screws vs. Other Screw Types

Not every screw is suitable for plasterboard installation. Drywall screws are designed with features specifically suited to drylining work.

Coarse Thread vs Fine Thread

Coarse-thread screws are commonly used when fixing plasterboard to timber. Fine-thread drywall screws are generally associated with metal framing or stud applications.

Choosing the correct thread type helps ensure suitable engagement with the supporting material.

Bugle Head vs Standard Screw Head

The bugle head is shaped to work with plasterboard and help create a neat recessed fixing point.

Using a conventional screw with an unsuitable head profile can result in poorer surface finishing or unnecessary damage to the board.

Suitable for Professional and DIY Projects

These drywall screws can be useful for both professional and DIY users working on suitable interior projects.

Professional Applications

Builders, plasterers, dryliners, contractors and renovation professionals can benefit from the convenient 1,000-piece pack when completing larger installations.

DIY Applications

For home renovation and improvement projects, a bulk pack provides a ready supply of fixings for plasterboard installation and other suitable drylining tasks.

Storage and Handling

Store drywall screws in a dry environment and keep them protected from excessive moisture.

Although the black phosphate finish provides a practical surface treatment, these screws are generally intended for suitable interior applications rather than unrestricted exposure to outdoor conditions. Product listings commonly specify this type of drywall screw for interior use.

Keeping the screws dry also helps maintain their condition and makes them easier to handle during installation.

Why Buy These Drywall Screws?

If you need a dependable bulk supply of fixings for plasterboard installation, these Coarse Thread Drywall Screws 3.5 x 42mm offer a practical combination of useful features.

With their coarse thread, Phillips drive, bugle head, and black phosphate finish, they are designed around the needs of suitable drywall and drylining applications. The 1,000-piece pack is especially convenient for larger jobs, while the included free driver bit provides an additional practical benefit.

Key Reasons to Choose This Product

• 3.5 x 42mm practical size
• Coarse thread for suitable timber applications
• Black phosphate finish
• Phillips drive
• Bugle head for drywall applications
• 1,000 screws per pack
• Free driver bit included
• Suitable for plasterboard and drylining projects
• Ideal for builders, contractors and DIY users
• Convenient bulk quantity for larger projects

Order Your Drywall Screws Today

For plasterboard installation, drylining, renovation, and suitable interior construction work, these Drywall Screws 3.5 x 42 mm Black Phosphate Phillips Bugle Head provide a convenient and practical fastening solution.

Supplied in a 1,000-piece pack with a free driver bit, they are ideal for professional tradespeople and DIY users who need a reliable supply of suitable plasterboard fixings for their next project.

Click Here For Latest Products