Unifix Galv Square Twist Nails - Grey
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The RangeUnifix Galv Square Twist Nails Ce 30 X 3.75Mm - Box Of 5 - Grey
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Unifix Galv Square Twist Nails Ce - 30 X 3.75Mm - Box Of 5 - GreyFree delivery in 1–3 days£47.43Visit shop →
OnBuy.comUnifix Galv Square Twist Nails Ce 30 X 3.75Mm - 1Kg Polybag - Box Of 5 5014196202129
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Unifix Galv Square Twist Nails Ce - 30 X 3.75Mm - Box Of 5 5014196551654Free delivery in 1–3 days£49.32Visit shop →
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Unifix Galv Square Twist Nails CE - 30 x 3.75mm - Box of 5Free delivery in 1–3 days£48.69Visit shop →
DebenhamsUnifix Unisex Silver Galv Square Twist Nails 30 X 3.75Mm - Box Of 5 In
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Unifix Unisex Silver Galv Square Twist Nails Ce - X 3.75Mm - Box Of 5 In Size 30Free delivery in 1–3 days£50.99Visit shop →
B&QB&Q - Galv Square Twist Nails Ce30 X 3.75mm1Kg PolybagBox Of 5
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B&Q - Galv Square Twist Nails Ce30 X 3.75mm9Galvsqtntq/010Box Of 5Free delivery in 1–3 days£52.70Visit shop →
Product Information
Full details
The Unifix Galvanised Square Twist Nails are high-performance fasteners designed for professional builders and serious DIY enthusiasts who require superior holding power in timber construction. These nails feature a unique square-twisted shank that significantly improves grip compared to standard smooth-shank nails, ensuring structural reliability in demanding environments. While their galvanised finish offers excellent corrosion resistance, they are best suited for structural timber applications and may not be appropriate for fine finish carpentry where nail heads need to be hidden.
All features
| Colour | Grey |
|---|---|
| Model Part Number | 1326912 |
| Brand | Unifix |
Extended Product Information
FAQs
Are these nails suitable for marine environments?
While the galvanised finish provides excellent rust resistance, they are not intended for continuous saltwater immersion; stainless steel is recommended for those environments.
Can I use these for deck boards?
They are functional, but generally, screws are preferred for deck boards for easier maintenance and removal.
Do I need special tools to drive these?
No, a standard framing hammer is sufficient for most applications.
What is the diameter of the nail?
The nails have a diameter of 3.75mm.
Will the square twist damage the wood?
It provides a tighter fit than smooth nails, which is beneficial for structural integrity, though it may displace more wood fibers upon entry.
Troubleshooting
Nail is bending while being hammered
Ensure you are striking the head squarely and using a hammer with an appropriate face size for the nail type.
Timber is splitting during installation
Check if the nail is positioned too close to the edge of the wood or consider drilling a small pilot hole to relieve pressure.
Nail will not sink flush
Use a nail set to drive the head below the surface if the timber density is high.
Pros and Cons
Pros
- Superior withdrawal resistance due to square-twisted shank
- Galvanised finish provides long-term rust protection
- Suitable for both heavy-duty professional and DIY use
- Robust steel construction ensures nails do not bend easily during installation
Cons
- Not intended for aesthetic or fine-finish woodworking
- Difficult to remove once driven into dense timber
- Requires careful alignment to avoid splitting timber
Setup, Compatibility & Care
For the best results, use a standard framing hammer. Because the shank is twisted, you may feel more resistance as the nail is driven home compared to a smooth nail; do not force it if the timber starts to split. If working with very dense or dry hardwoods, consider pre-drilling a pilot hole slightly smaller than the 3.75mm diameter to prevent splitting. Store the nails in a dry, cool environment to ensure the galvanised coating remains intact until the moment of use. Keep the nails away from salt-heavy environments if possible, as extreme salinity can eventually compromise even galvanised coatings.