Best current price£9.02from The Range
Shopping.co.uk recommended and popular offers
The Range£9.02Visit shop Unifix Self-Tapping Screws Pozi Flange Head Ab Bs 4174 Black 6G X 5/8" 420406 0.625 002 Box Of 1000 - Grey
Visit shop24 offers from £9.02 - £14.07
View price history by clicking the chart icon.
Unifix Self-Tapping Screws are essential hardware for DIY enthusiasts and trade professionals looking for reliable fastening solutions in wood and metal applications. These screws provide an efficient self-tapping mechanism that simplifies installation, though users must ensure they have the correct pilot hole size for specific material densities to avoid stripping the threading.
| Colour | Black |
|---|---|
| Model Part Number | 1261452 |
| Brand | Unifix |
While they feature a protective finish, they are primarily designed for internal or general-purpose use. For harsh outdoor environments, stainless steel alternatives are recommended.
The 6G refers to the gauge (diameter) of the screw, which defines the thickness of the shank.
Yes, you should use a Pozi drive bit (often denoted as PZ) rather than a standard Phillips bit to ensure a secure fit and prevent slipping.
Yes, the screws are manufactured from steel, which is inherently magnetic.
It is generally not recommended to reuse self-tapping screws once removed, as the threading into the material may be compromised, leading to a weaker hold.
These are manufactured to BS 4174 standards, which provides consistent quality for standard industrial and commercial applications.
Ensure the Pozi driver bit is the correct size and not worn out; apply consistent downward pressure.
Check that the pilot hole is not too large for the screw diameter; verify the material thickness allows for full thread engagement.
Drill a deeper or slightly wider pilot hole to reduce the initial friction when driving into dense timber or thick metal.
To ensure a secure fit, always clear away debris from the pilot hole before driving the screw. If you are working with thin-gauge metal, avoid over-torquing the screw to prevent stripping the newly cut threads. When storing, keep the screws in a dry environment to maintain the finish and structural integrity. Periodic inspection of the threads is recommended if the screws are used in vibration-prone applications, such as internal machinery housings or automotive trim.
