Unifix General Purpose Chippy Woodscrews - 6.0 x 120/70mm - Grey
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Product Information
Full details
The Unifix General Purpose Chippy Woodscrews (6.0 x 120/70mm) are essential hardware for both professional tradespeople and DIY enthusiasts looking for reliable, high-performance fasteners for heavy-duty woodworking projects. Featuring a durable bright zinc-plated finish and a specialized Pozi countersunk head, these screws offer superior grip and a flush finish, though they require pre-drilling in denser hardwoods to prevent wood splitting.
All features
| Colour | Grey |
|---|---|
| Model Part Number | 1261804 |
| Brand | Unifix |
Extended Product Information
FAQs
Are these screws suitable for outdoor use?
They feature a bright zinc plating which offers good corrosion resistance, but they are generally intended for indoor or protected outdoor applications.
What size driver bit do I need?
These screws require a standard Pozi-drive screwdriver bit compatible with the specific screw size; check the packaging for the exact PZ number.
Can I use these in masonry?
No, these are specifically engineered for wood applications. Using them in masonry will result in poor grip and likely damage the screw.
Do I need to pre-drill?
While not always necessary for softwoods, pre-drilling is highly recommended for hardwoods to prevent the wood from splitting.
What is the benefit of the zinc plating?
The zinc plating acts as a sacrificial barrier against oxidation, significantly extending the life of the screw compared to uncoated steel.
Troubleshooting
Screw head strips during installation
Ensure you are using the correct size Pozi bit and that it is not worn; verify that a pilot hole was used if the timber is particularly dense.
Wood splits upon entry
Always pre-drill a pilot hole slightly smaller than the shank diameter when working near board edges or in hardwood.
Screw does not sit flush
Use a countersink bit to create a small bevel in the surface, allowing the head to sit perfectly flat.
Pros and Cons
Pros
- Excellent resistance to corrosion due to the zinc plating
- Provides a clean, flush finish thanks to the countersunk head
- High-performance design reduces the risk of drive slippage
- Suitable for a wide range of woodworking and construction applications
Cons
- Not intended for extreme marine or highly acidic environments
- Larger diameter may require pilot holes in hardwoods
- Requires a compatible Pozi screwdriver bit for best results
Setup, Compatibility & Care
To achieve the best results, use a high-quality Pozi drive bit that matches the screw head size exactly to prevent damaging the recess. While the bright zinc plating is rust-resistant, avoid using these screws in high-moisture, salty, or coastal environments, as the finish will eventually degrade. Store the screws in a dry container to maintain the integrity of the zinc coating. When installing into thick materials, check that your power drill has sufficient torque and utilize a low-speed setting for maximum control during the final seating of the screw head.