Best current price£15.82from The Range
Shopping.co.uk recommended and popular offers
The Range£15.82Visit shop Unifix Self-Tapping Screws Pozi Flange Head Ab Bs 4174 Black - 10G X 3/4" (4.8 X 19Mm) (Box Of 1000) - Grey
Visit shop5 offers from £15.82 - £18.08
View price history by clicking the chart icon.
These Unifix Self-Tapping Screws, in a 4.8 x 19mm size with a black finish, are ideal for DIY enthusiasts and professionals seeking a reliable fastening solution for wood and metal projects. Their self-tapping design ensures quick and easy installation, providing a secure fit. A potential consideration is the specific application suitability, as these screws are optimized for general-purpose use rather than heavy-duty structural loads.
| Colour | Black |
|---|---|
| Model Part Number | 5014196313764 |
| Brand | Unifix |
For most wood and softer metal applications, pre-drilling is not necessary due to the self-tapping design. However, for very hard woods or thick metals, drilling a small pilot hole can make driving easier and prevent material splitting.
Pozi (Pozidriv) screws have four additional small ribs between the main slots, designed to provide better grip and reduce cam-out compared to Phillips screws. You must use a Pozi driver for Pozi screws.
The black finish offers some corrosion resistance, making them suitable for short-term or protected outdoor use. For long-term outdoor exposure, especially in damp environments, screws with enhanced corrosion resistance (e.g., stainless steel or coated screws specifically for exterior use) are recommended.
You will need a Pozi drive screwdriver. For the 4.8 x 19mm size, a PZ2 Pozi driver is typically the correct size.
The screw has a length of 19mm. The actual penetration depth will depend on the thickness of the material being joined and the depth of the material it is being driven into.
These screws are designed for general-purpose fastening. For critical structural applications that bear significant weight or stress, engineering-grade fasteners with appropriate load ratings should be used.
Ensure you are using the correct Pozi drive size. For harder materials, a small pilot hole may be beneficial. Verify the screw is not hitting a knot or obstruction.
Use a high-quality Pozi drive bit that fits snugly. Apply more downward pressure and reduce driving speed. Ensure the screwdriver is perfectly aligned with the screw.
The material may be too soft, or the hole too large. Try a screw with a slightly larger diameter or consider using a threaded insert if the material is excessively soft.
Use a good quality Pozi driver and ensure proper alignment. Avoid excessive force or forcing the screw at an angle.
Setup:
Compatibility:
Care:
