



S3525NP Raised Head Machine Screws M3.5 x 25mm (Pack Size 100)
S3525NP
S3525NP Raised Head Machine Screws – M3.5 x 25mm Fixings for Electrical Accessories (Pack of 100)
The S3525NP Raised Head Machine Screws are designed for use in a wide range of electrical installations. With an M3.5 thread and 25mm length, they are ideal for fixing switch plates, socket boxes, and conduit fittings, offering strength and a neat finish in every application.
- Designed for Electrical Use: Ideal for securing switches, sockets, and conduit fittings in standard back boxes.
- Raised Head Design: Provides a clean, professional appearance once installed.
- Durable Construction: Manufactured from mild steel or brass for reliable performance.
- Corrosion-Resistant Finish: Zinc plating ensures long-lasting protection in varied environments.
- Trade Pack Size: Supplied in a pack of 100 – perfect for installers and maintenance teams.
Technical Specification
- Product Type: Raised head machine screw
- Thread Size: M3.5
- Length: 25mm
- Material: Mild steel / brass
- Finish: Brass and zinc plated
✅ Choose S3525NP Machine Screws for reliable, professional fixings in all your electrical installations!

S4 - Screw Size | M3.5 |
Thread Standard | Fully Threaded |
Product | Screw |
Type | Socket Screw |
Diameter | 3.5 mm |
Length | 25 mm |
Use | Socket Box Switch |
Material | Steel |
Head Style | Pan |
Overall Length | 25 mm |
Finish | Nickel Plated |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.