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The Range£7.25Visit shop Unifix A2-304 St/St General Purpose Chippy Woodscrews 4.0 X 40Mm - Ub9ststchippy/035 - Box Of 125 - Grey
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The Unifix A2-304 General Purpose Chippy Woodscrews are an ideal fastening solution for both DIY enthusiasts and professional tradespeople who require reliable, corrosion-resistant hardware for woodworking projects. Engineered from high-quality A2-304 stainless steel, these screws offer exceptional durability and long-term performance in various carpentry applications. While they provide excellent grip with their Pozi countersunk design, users should ensure they are using the correct driver bit size to prevent cam-out during high-torque installations.
| Colour | Grey |
|---|---|
| Model Part Number | A2-304 |
| Brand | Unifix |
Yes, because they are made from A2-304 stainless steel, they offer excellent protection against rust and are perfect for outdoor projects.
It is highly recommended to drill a pilot hole when working with hardwood or when working close to the edge of a board to prevent splitting.
The Pozi head allows for higher torque and better grip than a standard Phillips head, reducing the chance of the driver slipping.
Yes, their stainless steel composition makes them compatible with most types of treated timber.
A2-304 is a grade of stainless steel that provides excellent corrosion resistance for general building and outdoor use.
Ensure you are using the correct size Pozi bit and maintain steady, firm pressure against the screw.
Drill a pilot hole and ensure you are keeping a sufficient distance from the end of the timber.
Ensure a proper pilot hole has been drilled, especially when working with hardwood.
To ensure the best results, always use a high-quality Pozi drive bit that matches the screw size. Avoid using generic or worn-out bits, as this significantly increases the risk of damaging the screw head. For maintenance, while these screws are highly corrosion-resistant, they should be kept dry during storage to prevent any surface contamination. If used in a marine environment or areas with heavy salt exposure, periodic inspection of the fastenings is recommended to ensure the structural integrity of the timber assembly remains intact.
