Best current price£6.06from The Range
Shopping.co.uk recommended and popular offers
The Range£6.06Visit shop Unifix Machine Screws Pozi Pan Head Din 7985Z Bzp M5 X 40 - Grey
Visit shop21 offers from £6.06 - £9.18
View price history by clicking the chart icon.
The Unifix Machine Screws Pozi Pan Head DIN 7985Z BZP are precision-engineered fasteners ideal for DIY enthusiasts and professionals working on wood or metal assembly projects. These screws offer reliable holding power and enhanced corrosion resistance thanks to their bright zinc plating, making them a staple for workshop repairs or construction tasks. One important caveat is that because these are machine screws, they generally require a pre-threaded hole or a matching nut to function properly compared to wood screws that tap their own path.
| Colour | Grey |
|---|---|
| Model Part Number | DIN 7985Z BZP |
| Brand | Unifix |
These screws are intended primarily for indoor or sheltered use due to the limitations of the bright zinc plating.
Pozi drive provides extra contact points to prevent the screwdriver from slipping out (cam-out) under high torque.
Yes, as these are machine screws, they are intended for use in pre-drilled or threaded holes, or with matching nuts.
It is the German industrial standard (DIN) defining the specific shape and dimensions of the pan head machine screw with a Pozi drive.
They are typically made of steel, which is magnetic, and the zinc plating does not negate this property.
Ensure you are using the correct size Pozi screwdriver bit and that the bit is not worn down.
Verify the thread pitch matches the target hole and ensure no debris is obstructing the thread path.
For successful installation, ensure you are using a Pozi (PZ) drive bit that matches the screw size, as using a standard Phillips bit can cause slippage or damage the head profile. Before insertion, verify that your pilot holes are drilled to the correct diameter if you are not utilizing pre-tapped holes. To maintain the bright zinc finish, keep the screws in a dry, low-humidity storage environment. If exposed to outdoor elements, periodic inspection is recommended, as the BZP coating is designed for indoor and general use, not extreme marine or highly corrosive environments.
