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The Unifix Machine Screws Pozi Pan Head DIN 7985Z BZP are engineered for DIY enthusiasts and professionals seeking a reliable, secure fastening solution for light-to-medium assembly tasks in wood, metal, or plastic. These screws offer high durability and excellent corrosion resistance thanks to their bright zinc plated finish, though they are specifically designed for machine-threaded applications rather than direct-into-wood driving.
| Colour | Grey |
|---|---|
| Model Part Number | 1263731 |
| Brand | Unifix |
These are machine screws, not wood screws. They will not cut their own threads in raw wood. You must use a threaded insert or a pre-drilled and tapped hole.
It refers to the German industrial standard for the shape and dimensions of the pan head machine screw with a cross recess.
BZP offers decent indoor corrosion resistance, but it is not sufficient for prolonged outdoor exposure. For external use, consider stainless steel alternatives.
While it may fit loosely, it is strongly recommended to use a Pozi driver to avoid cam-out and damage to the screw head.
Yes, as they are typically made from steel, they will be magnetic.
Ensure you are using a Pozi drive bit rather than a Phillips bit; verify the bit size is the correct match for the screw head.
Check that the hole is not blocked by debris and verify that the thread pitch matches the tapped hole or nut.
This may occur in high humidity. Clean the surface with a light abrasive and consider a clear coat or replacement with stainless steel if the application environment is too harsh for BZP.
To ensure a professional finish, always use a Pozi-compatible screwdriver bit that matches the screw size exactly to prevent damaging the recess. For optimal performance, check that the receiving material is either pre-tapped or fitted with an appropriate anchor.
