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B&Q£5.00Visit shop B&Q - Pozidriv Countersunk Brass Wood Screw (Dia)3.5mm (L)30mmPack Of 25
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The Diall Pozidriv Countersunk Wood Screw is designed for woodworkers, DIY enthusiasts, and home improvers who need a reliable, aesthetically pleasing fastener for joinery and assembly tasks. These 3.5mm x 30mm screws provide a secure hold and a flush, clean finish, making them ideal for visible woodwork, though they are specifically intended for wood applications and may not be suitable for high-load structural steel or masonry without pre-drilling and the correct wall plugs.
| Colour | Bronze |
|---|---|
| Brand | Diall |
While durable, the bronze finish is primarily for aesthetic purposes and is best suited for interior woodwork rather than exposed outdoor environments.
A standard PZ1 or PZ2 Pozidriv screwdriver bit is compatible with these screws.
Pre-drilling is recommended, especially near the edges of the wood or when working with hardwood, to prevent the material from splitting.
These 3.5mm screws are intended for general woodworking and furniture assembly; they are not rated for heavy structural loads.
Being standard steel-based wood screws, they typically exhibit magnetic properties.
Ensure you are using the correct size Pozidriv bit and apply firm, consistent downward pressure while driving.
Drill a pilot hole slightly smaller than the 3.5mm screw diameter before driving the screw into the timber.
Ensure the pilot hole is correctly countersunk so the head has enough space to sit below or level with the surface.
To achieve the best results, use a compatible Pozidriv screwdriver bit (usually PZ1 or PZ2 depending on the tolerance). Always ensure the drill speed is set to a controlled pace when near the end of the driving process to avoid over-tightening. These screws are designed specifically for wood; if using them in denser materials, always pre-drill a pilot hole with a bit slightly smaller than the 3.5mm diameter of the screw shank. To maintain the bronze finish, keep these screws in a dry, cool environment to prevent premature surface oxidation. If you are working in treated timber, ensure your drill bits are kept sharp to prevent tearing the wood fibers around the screw entry point.
