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The Range£20.25Visit shop Unifix Twistec Woodscrews Csk Head Zyp Tx40 8.0 X 160Mm - Ubtts08160 - Bag Of 6 - Box Of 30 - Grey
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The Unifix Twistec Woodscrews are designed for professionals and DIY enthusiasts requiring high-strength joinery for heavy-duty timber projects. Featuring a 200mm length and a specialized ZYP coating, these screws provide excellent holding power and corrosion resistance, though their size makes them unsuitable for delicate or thin-material applications.
| Colour | Grey |
|---|---|
| Model Part Number | 1264623 |
| Brand | Unifix |
Yes, these require a TX40 driver bit, which is a standard Torx-style fitting.
The ZYP coating provides good corrosion resistance for outdoor timber projects, though they should not be submerged in water or used in highly saline environments.
No, these are specifically designed and threaded for wood joinery.
This specific pack contains 30 screws.
The screw has a diameter of 8.0mm.
Verify that the TX40 bit is fully seated in the head and that you are using a high-torque, low-speed setting on your drill.
You must pre-drill a pilot hole. The screw is thick, and the displacement of wood fibers in dense timber will cause splitting if no pilot hole exists.
Check that the countersink is deep enough and ensure no debris is trapped beneath the screw head.
