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B&Q£6.43Visit shop B&Q - Pozidriv Double Self-Countersunk Yellow-Passivated Steel Screw (Dia)3.5mm (L)60mmPack Of 100
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The TurboDrive Pozidriv Wood Screw (3.5mm x 60mm) is designed for DIY enthusiasts and trade professionals seeking a reliable fastener for woodworking and general construction projects. Its primary benefit is the double countersunk head, which ensures a perfectly flush finish for a clean aesthetic. A key caveat for potential users is that these screws are specifically yellow-passivated for interior environments and are not recommended for heavy-duty exterior exposure or harsh coastal conditions.
| Colour | Yellow |
|---|---|
| Brand | TurboDrive |
These screws are yellow-passivated and intended for interior use; they are not suitable for permanent outdoor exposure.
These screws require a Pozidriv (PZ2) screwdriver bit for the best fit and torque transfer.
While not always required in softwoods, pre-drilling is highly recommended in hardwoods or near the edge of a board to prevent splitting.
Each pack contains 100 TurboDrive 3.5mm x 60mm wood screws.
The passivated finish provides good corrosion resistance for indoor applications, but it is not rust-proof for exterior or wet environments.
Ensure you are using the correct size Pozidriv bit (PZ2) and reduce the torque or speed on your power drill.
Pre-drill a pilot hole with a diameter slightly smaller than the 3.5mm screw shaft to relieve internal pressure.
Check if the countersink depth is adequate for the material density; increase pressure or check for debris in the hole.
To ensure optimal performance, use a PZ2 size Pozidriv screwdriver bit. Avoid using power drivers at high speeds to prevent stripping the head. These screws are intended for interior use; ensure they are stored in a dry environment to maintain the integrity of the passivated coating. If applying in a project that will be painted or stained, consider checking if the yellow finish is compatible with your final wood finish, or use a filler if the screw head remains visible.
