Unifix Drywall Screws - Black

The Unifix Drywall Screws are designed for efficient drywall installation. With a bugle head and c...

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OnBuy.comUnifix Drywall Screws Bugle Head 3.5 X 32Mm - 9Tqdrywallc/015 - Box Of 200 5014196758848
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eBayUnifix Drywall Screws Bugle Head 3.5 x 32mm - 9TQDRYWALLC/015 - Box of 200
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Product Information

Full details

These Unifix Drywall Screws are designed for DIY enthusiasts and professional builders seeking a reliable fastener for drywall installation. The key benefit is their superior grip and stability, ensuring a secure and flush finish. A minor caveat is their specific suitability for drywall applications, not general construction. Key features include a corrosion-resistant Black Phosphate Finish, a bugle head for easy countersinking, and a coarse thread for enhanced holding power.

All features

ColourBlack
Model Part Number9Tqdrywallc/015
BrandUnifix

Extended Product Information

FAQs

What are Unifix Drywall Screws best used for?

They are specifically designed for attaching drywall sheets to wood or metal studs in wall and ceiling applications.

What is the purpose of the bugle head?

The bugle head is designed to countersink smoothly into the drywall paper, creating a flush surface that is easily covered with joint compound without tearing the paper.

Why is the thread coarse?

The coarse thread provides superior holding power and stability in wood and metal studs, reducing the likelihood of the screw loosening over time.

How many screws are in a box?

Each box conveniently contains 200 screws.

Can these screws be used for exterior projects?

No, these screws are intended for interior drywall applications. The Black Phosphate Finish offers some corrosion resistance but is not rated for exterior exposure.

What type of drill bit is needed?

Typically, a Phillips #2 driver bit is required for these screws.

Are these screws suitable for metal studs?

Yes, they are suitable for use with light gauge metal studs, in addition to wood studs.

How should I store unused screws?

Store them in their original box in a dry, indoor environment to maintain the integrity of the Black Phosphate Finish and prevent rust.

Troubleshooting

Screw head strips out during driving

Ensure you are using the correct size and type of driver bit (typically Phillips #2). Reduce the speed and torque setting on your drill/driver.

Drywall paper tears around the screw head

The drill/driver speed or torque may be too high. Back the screw out slightly and try again with a lower setting. Ensure the bugle head is not being forced too deep.

Screw doesn't hold firmly

Verify you are driving the screw into a stud (wood or metal). If driving into wood, ensure the wood is not excessively soft or rotten. Check that the thread type is appropriate for the material.

Screw appears rusty upon installation

This is unlikely with the Black Phosphate Finish if stored properly. Ensure the storage area is dry. Minor surface discoloration on unused screws can usually be wiped off.

Pros and Cons

Pros

  • Excellent holding power due to coarse thread.
  • Corrosion-resistant finish for longevity.
  • Bugle head facilitates a clean, flush finish.
  • Designed specifically for efficient drywall installation.
  • Comes in a practical box of 200 units.

Cons

  • Primarily designed for drywall; not ideal for heavy-duty structural applications.
  • Black phosphate finish might not be suitable for all aesthetic requirements.
  • Requires a compatible driver bit for the screw head.
  • Only available in black color.

Setup, Compatibility & Care

Setup: These screws are designed for use with standard drywall screw guns or power drills equipped with appropriate driver bits (typically Phillips #2). Ensure your drill is set to a low torque setting to avoid over-driving the screw and damaging the drywall paper. Drive the screw until the head is slightly below the surface of the drywall.

Compatibility: The Unifix Drywall Screws are compatible with standard drywall thicknesses (e.g., 1/4-inch, 3/8-inch, 1/2-inch, 5/8-inch) and are suitable for fastening drywall to wood studs or light gauge metal studs. They are not recommended for use with concrete or masonry.

Care: As these screws have a Black Phosphate Finish for corrosion resistance, minimal care is needed during storage. Keep them in their original box in a dry environment to prevent premature oxidation. Once installed and covered with joint compound and paint, they require no further care.

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