Diall Switch Box Screw - 3.5mm x 25mm

The screws are made from durable carbon steel.

Yes, they are zinc plated for corrosion resistance.

The screws are 3.5mm in diameter and 25mm in length.

Each pack contains four screws.

They are ideal for a range of DIY projects, especially those involving electrical switch box installations.

Yes, the zinc plating provides corrosion resistance, making them suitable for both indoor and outdoor use.

Avoid over-tightening. If the threads are stripped, use a larger screw or a thread repair kit.

Insert the screws through the mounting holes in the switch box and tighten them with a screwdriver.

Ensure the screw is aligned correctly with the hole. If necessary, use a pilot hole for easier insertion.

Avoid over-tightening. If the threads are stripped, consider using a larger screw or a thread repair kit.

Replace the corroded screw to ensure a secure connection. Ensure the installation area is dry.