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M3.5 x 35mm Brass Extension Studs – Pack of 10 for Extending Switch & Socket Screws

Model No. EVOM35STUD/10 by: Evoges
Availability: Normally In Stock

£4.99

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(over £100+VAT, applies to zone A only , £6 +VAT otherwise)
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This is the Evoges EVOM35STUD/10 M3.5 x 35mm Brass Extension Studs – Pack of 10 for Extending Switch & Socket Screws available at SparksDirect.co.uk for the best price.

The M3.5 x 35mm Brass Extension Studs (Pack of 10) are essential hardware components used to extend screws in electrical accessories such as socket outlets, light switches, dimmers and accessories where the existing screws are too short — for example, when fitting accessories over deep back boxes, mounting into thick mounting plates, or accommodating spacers and trims.

Made from brass, these extension studs provide good strength, corrosion resistance, and conductivity — properties that make them suitable for use in domestic and commercial electrical installations. Whether you’re an electrician, installer, or DIY enthusiast, having a set of extension studs in your toolkit can make installations cleaner and more secure without resorting to improvised fixes.

Features & Benefits

  • Standard M3.5 diameter: Compatible with most UK electrical accessory screw threads.
  • 35mm length: Extends existing screws where extra reach is needed.
  • Brass construction: Resists corrosion and offers durable performance.
  • Pack of 10: Good value with multiple studs for several installations or spares.
  • Ideal for deeper mounting boxes: Ensures switches and sockets sit flush when back boxes are deep or plaster depth varies.
  • Twist-on installation: Easy to use — simply replace or extend stub screws without specialised tools.
  • Versatile hardware: Works with a range of accessories including sockets, switches, dimmers, and decorative trims.

Technical Specifications

  • Product type: Brass extension studs
  • Thread diameter: M3.5
  • Length: 35mm
  • Material: Brass (corrosion-resistant)
  • Pack quantity: 10 studs
  • Compatibility: Standard M3.5 equipment screws used in UK electrical accessories (sockets, switches, dimmers)
  • Finish: Natural brass (can be painted or plated if desired)

Three Reasons Customers Recommend It

  1. Very useful for deep back boxes: Perfect when existing screws are too short to hold accessories firmly.
  2. Good value pack: Ten studs give plenty of spares for multiple jobs.
  3. Easy to install: Simple threaded studs that fit existing hardware without modification.

Who Needs It

  • Electricians and electrical contractors installing sockets, switches, and accessories where box depth varies.
  • DIY installers upgrading or modifying wiring accessories.
  • Renovators and builders needing reliable hardware when walls or back boxes are deeper than standard.
  • Maintenance teams keeping a stock of useful parts for quick fixes.

Who Can Install It

These extension studs can be fitted by qualified electricians, competent DIYers, or experienced installers familiar with electrical accessory installation. They simply replace or screw onto the existing M3.5 screws in a switch or socket accessory — but ensure that the electrical supply is isolated before working inside any electrical accessory.

Installation Tip:

When extending screws on switches or sockets, always ensure the accessory still sits flush to the wall plate and that screws are tightened securely — over-tightening brass studs into steel threaded holes can cause thread wear over time.

Note: Some images and pictures are for reference only. The item may differ from the image/picture due to manufacturer's change. Should you require the exact item in the picture, please call or email us to enquire.

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Shipping

Sparks Direct delivers via courier to the UK only; the standard delivery charge is £6 + VAT for all orders under £100 + VAT. If your order is over £120, you get free delivery (unless there's a special delivery charge for the items you wish to order or you're in shipping zone C or D). Full details for shipping charges can be found via Terms and Conditions.

If the items you order are in stock and the order is placed before 1.00pm, delivery can be made within 1-2 working days. If the items are not in stock, we will inform you via email how long it will take or ask for your confirmation if there's a long lead time.

Returns

We offer 30-day returns for unwanted items - please email us to request a returns number which will need to be quoted when the items are returned. For faulty items or items damaged in transit, please advise via email, and an appropriate returns number will be provided. Full details concerning returns and refunds can be found via our Terms and Conditions.