Diall Screw - Silver
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B&Q£3.92Visit shop B&Q - Double-Countersunk Zinc-Plated Carbon Steel Screw (Dia)5mm (L)80mmPack Of 20
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B&QB&Q - Double-Countersunk Zinc-Plated Carbon Steel Screw (Dia)5mm (L)80mmPack Of 20
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Product Information
Full details
This pack of 20 zinc-plated, double-countersunk wood screws from Diall is designed for DIY enthusiasts and general construction tasks. Offering durability and ease of use, these 80mm carbon steel screws provide a strong hold, especially in plasterboard applications. A minor consideration is their partial threading, which may require pre-drilling for optimal performance in certain materials.
All features
| Colour | Silver |
|---|---|
| Brand | Diall |
Extended Product Information
FAQs
What material are these screws made of?
These screws are constructed from durable carbon steel and are zinc-plated for corrosion resistance.
What is the recommended use for these screws?
They are recommended for use on plasterboards and general DIY projects requiring wood fastening.
Do I need to pre-drill holes?
It is recommended to pre-drill pilot holes, especially in plasterboard or harder woods, to ensure ease of insertion and optimal grip.
What does 'double countersunk' mean?
The double countersunk design means the screw head is shaped to sit flush or slightly below the surface of the material, providing a neat and clean finish.
Are these screws suitable for outdoor use?
While the zinc plating offers some corrosion resistance, these screws are best suited for interior applications or protected exterior areas where they will not be constantly exposed to moisture.
What is the length and diameter of these screws?
Each screw is 80mm in length and has a diameter of 5mm.
What does 'partially threaded' mean?
The screws have unthreaded shank for the first 20mm from the head, with threading covering the remaining 60mm. This design can improve holding power in certain applications like plasterboard.
Troubleshooting
Screw won't drive easily into material.
Pre-drill a pilot hole. Ensure the drill bit is slightly smaller than the screw diameter and that you are using appropriate torque.
Screw head is stripping during insertion.
Reduce the driving torque. Ensure the screwdriver bit is the correct size and fully engaged with the screw head.
Screw doesn't feel secure after insertion.
Check if the material is too soft or if the pilot hole was too large. For plasterboard, ensure you are screwing into the board itself or a suitable fixing anchor.
Rust spots appearing on screws.
Ensure screws are stored in a dry environment. For minor surface rust, it may not affect performance, but prolonged exposure to moisture will degrade the zinc plating and carbon steel.
Pros and Cons
Pros
- Durable carbon steel construction ensures longevity.
- Zinc plating offers good corrosion resistance.
- Double countersunk head provides a neat, flush finish.
- Suitable for various DIY projects and plasterboard installations.
- Pack of 20 offers good value for common tasks.
Cons
- Partial threading may not be ideal for all wood types.
- Primarily recommended for plasterboard, limiting broader applications without pre-drilling.
- 80mm length might be too long for very thin materials.
- 80mm length might be too short for very thick materials.
Setup, Compatibility & Care
Setup: For best results, especially in plasterboard or dense wood, it is recommended to pre-drill pilot holes. Use a drill bit slightly smaller than the screw's 5mm diameter. Drive the screw using an appropriate screwdriver or drill bit, ensuring the countersunk head sits flush with the surface.
Compatibility: These screws are primarily recommended for use with plasterboards and general wood applications. While the carbon steel and zinc plating offer good durability, they are best suited for interior use or protected exterior environments where excessive moisture is not a constant factor.
Care: Store screws in a dry place to prevent rust. Clean any dirt or debris from the screws before use to ensure a clean installation.