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The Range£8.17Visit shop Unifix Self-Tapping Screws Pozi Pan Head B Din 7981-F-Z Bzp 2G X 3/16" (2.2 X 4.5Mm) Versatile Faste - Grey
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The Unifix Self-Tapping Screws Pozi Pan Head are ideal for DIY enthusiasts and professionals seeking efficient, time-saving fasteners for wood and metal assembly tasks. These screws feature a self-tapping design that removes the need for pre-drilling, offering excellent torque control and a secure fit; however, due to their compact 2G x 3/16 inch size, they are best suited for precision or small-scale applications rather than heavy-duty structural load-bearing work.
| Colour | Silver |
|---|---|
| Model Part Number | 7981-F-Z |
| Brand | Unifix |
While they are self-tapping, hard woods may still require a small pilot hole to prevent the wood from splitting.
The bright zinc plating offers moderate corrosion resistance, but they are not rated for marine or harsh coastal environments.
2G refers to the gauge (thickness) of the screw, which in this case is approximately 2.2mm.
No, the primary benefit of these screws is their self-tapping design which allows them to cut their own thread.
Pozi-drive heads have additional cross-nicks that allow for more torque and better bit engagement, reducing slipping.
The hole may have been stripped by over-tightening. Use a slightly larger screw or fill the hole with wood filler/adhesive before re-inserting.
Ensure you are using a Pozi-drive bit rather than a Phillips bit and maintain firm, straight downward pressure.
For optimal installation, always use a correctly sized Pozi-drive screwdriver bit. Using a standard Phillips bit may result in cam-out or damage to the screw recess. While the self-tapping feature is aggressive, ensure your drill or driver is set to a low torque setting when working with fragile materials to prevent stripping the hole. These screws are designed for standard indoor and sheltered outdoor environments; if using in highly saline or humid conditions, consider an additional surface sealant. Store these screws in a dry environment to maintain the integrity of the bright zinc plating.
