# Electrical Socket Screws Switch Plug Front Plate Silver CHOOSE 40mm M3.5 X 10. These 3.5 mm x 40mmScrews are fully threaded with a raised slotted countersunk head and a polished finish. These are the standard size for UK sockets and switches and are used for fixing electrical front plates to the back box. They are Ideal for replacing screws which no longer reach the back box due to tiling or plastering.
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