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The Range£5.68Visit shop Unifix General Purpose Chippy Woodscrews 4.5 X 75/46Mm - 9Chippyz/145 - Box Of 100 - Grey
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The Unifix General Purpose Chippy Woodscrews are designed for professional carpenters and DIY enthusiasts who require reliable, secure fasteners for diverse woodworking and construction tasks. These screws provide an excellent balance of grip and finish, ensuring structural integrity in various applications. While highly effective, users should ensure they select the correct screw length and gauge to match their specific material thickness to avoid wood splitting.
| Colour | Silver |
|---|---|
| Model Part Number | 1263228 |
| Brand | Unifix |
Yes, they feature a corrosion-resistant silver finish suitable for general external timber use, though extreme coastal environments may require specialized marine-grade fasteners.
Yes, these screws require a standard Pozi (PZ) drive bit to ensure the best possible grip and power transfer.
While they have a sharp tip that bites well, we always recommend pre-drilling a pilot hole in hardwoods to ensure a clean finish and prevent wood damage.
The 46mm indicates the threaded portion of the 75mm screw, providing a partial thread design which helps pull two pieces of wood tightly together.
These are designed specifically for woodworking and general timber construction; they are not intended for heavy-duty metal-to-metal joining.
Ensure the driver bit is the correct size for the Pozi head and apply consistent downward pressure.
Drill a pilot hole before inserting the screw to relieve pressure on the wood fibers.
Apply a small amount of wax or lubricant to the screw thread and ensure an appropriately sized pilot hole is drilled.
For optimal results, ensure the workpiece is clamped firmly before driving. While these screws are self-starting, drilling a pilot hole roughly 80% of the screw diameter is recommended for hardwoods to prevent splitting. When installing, use a high-quality Pozi bit that matches the screw head size to maintain torque and prevent cam-out. To maintain their longevity, store these screws in a dry, low-humidity environment to preserve the silver coating from unnecessary surface oxidation.
