Zinc Electrical Screws M3.5 35–75mm — Socket & Switch

Why choose these zinc electrical screws

Bright zinc-plated M3.5 machine screws — the standard fixing supplied with most UK sockets, switches and faceplates. Zinc plating gives everyday corrosion protection at the lowest cost of our four finishes, and the plain silver head disappears against white moulded accessories. Threads are precision-rolled to fit standard back-box lugs without binding or stripping.

Lengths available

• 35mm — shallow boxes and slim flush plates.
• 40mm — the standard length for 25mm back boxes with flush plates.
• 50mm — recessed boxes and architrave switches.
• 75mm — dry-lining boxes and thicker plasterboard installations.

Pack options

Packs of 10 for a single room, 20 for a whole-house rewire, or 50 for trade use. Choose length and quantity together from the one selector.

Matching other finishes

Also available in polished chrome, black nickel and polished brass — match the screw head to the accessory and the fixing disappears.

How to fit

Terminate the cables, fold the conductors neatly into the back box, and offer the plate up to the lugs. Start each screw by hand to avoid cross-threading, then tighten gently with a flat-blade screwdriver — stop as soon as the plate sits flush. Over-tightening cracks moulded plates.

Delivery

Same-day dispatch on orders placed before 2pm, Monday to Friday. Free UK delivery on orders over £20.