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OnBuy.com£4.13Visit shop Unifix General Purpose Chippy Woodscrews 3.0 X 12Mm - 9Chippyz/005 - Box Of 200 5014196037844
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The Unifix General Purpose Chippy Woodscrews are designed for professional woodworkers and DIY enthusiasts who require a reliable fastening solution for general construction projects. These 6.0 x 50mm screws feature a robust Pozi countersunk head and a Bright Zinc Plated finish, ensuring excellent grip and resistance to corrosion, though users should note they are primarily optimized for timber applications and may require pilot holes in harder wood species.
| Colour | Grey |
|---|---|
| Model Part Number | 9CHIPPYZ/215 |
| Brand | Unifix |
They are Bright Zinc Plated, which provides some corrosion resistance, but they are best suited for indoor or sheltered outdoor environments rather than direct weather exposure.
While not always necessary in softwoods, drilling a pilot hole is highly recommended for hardwoods to prevent the timber from splitting.
The 6.0mm refers to the diameter of the screw shank, and the 50mm refers to the total length of the screw from the top of the head to the tip.
These screws use a standard Pozi drive bit, which is commonly found in most screwdriver bit sets.
This specific variant comes in a box of 100 units.
Ensure you are using the correct size Pozi bit and check that the driver bit is not worn down.
Always drill a pilot hole when working near the edge of a board or when using dense hardwoods.
Verify the pilot hole diameter is appropriate or check that the driver bit is fully engaged in the screw head.
For the best results, use a high-quality Pozi drive bit that matches the screw head size to prevent cam-out. Ensure your power drill or impact driver is set to an appropriate torque setting to avoid over-driving the screw into the timber. While the Bright Zinc Plating offers good protection, avoid using these screws in direct contact with wet or chemically treated timber, as this can accelerate surface oxidation. Store the remaining screws in a cool, dry place within their original container to prevent moisture exposure and thread damage.
