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Power Tools Direct£4.61Visit shop Timco Dsn125b Drive Screws - Galvanised 125 X 6.40
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B&Q£11.99Visit shop B&Q - TimcoDrive ScrewsGalvanised (Size 125 X 6.401 Kilograms)
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TIMCO Drive Screw Nails are designed for professional contractors and serious DIY enthusiasts working on heavy-duty timber construction projects like fencing, landscaping, and formwork. These nails provide the speed of a hammer-driven fixing with the superior holding power of a screw shank, significantly accelerating installation times. While they offer exceptional grip and durability for general exterior use, users should note that they are not rated for highly corrosive, salt-heavy, or marine environments.
| Colour | Silver |
|---|---|
| Model Part Number | PTDTIMDSN125B |
| Brand | TIMCO |
While they are strong, they are designed for heavy-duty construction. For decking, standard stainless steel deck screws are usually preferred for their aesthetic finish and specific wood compatibility.
No, these are permanent fasteners. The screw shank is designed to grip the wood fibres tightly and will likely damage the timber if removal is attempted.
While the galvanised finish provides protection, adding a touch of exterior wood paint or a clear sealer over the head can provide extra moisture protection in exposed areas.
Always check local building codes. These are intended for general timber construction; specific structural applications may require nails with certified shear-strength ratings.
This is the shank diameter of the nail, which contributes to its high shear strength and holding capacity.
Ensure the nail is held perfectly perpendicular to the timber surface and use a heavier hammer to reduce the number of strikes required.
The timber is likely too dense; drill a pilot hole slightly smaller than the shank diameter before driving the nail.
Check for obstructions such as hidden knots or debris, and ensure the nail is not hitting existing hardware within the timber.
To achieve optimal performance, ensure you are using a hammer of appropriate weight for a 125mm nail. Position the nail square to the surface to prevent bending the shank during the initial strike. When working with extremely dense hardwoods or near the ends of boards, it is highly recommended to pre-drill a small pilot hole to mitigate the risk of splitting the timber. Once driven, ensure the nail head is flush with the surface to prevent moisture ingress. While the galvanised coating is resilient, avoid using these in direct contact with highly caustic materials or in coastal areas where salt spray will accelerate oxidation.
