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M3.5 Electrical Screws
M3.5 screws provide a reliable and tamper-resistant fixing for electrical installations across commercial, industrial, and public environments. Commonly used by electricians, panel builders, contractors, and OEM manufacturers, these screws are suitable for sockets, control panels, and access systems where secure and consistent fastening is required.
The M3.5 designation refers to a 3.5mm metric thread diameter, a standard size within the electrical industry that provides compatibility across a wide range of fittings and enclosures.
Showing all 4 results
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2-Hole Raised Countersunk Security Machine Screw
SKU: 2H03
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Clutch Head Raised Countersunk Security Screws
SKU: CL02
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Pin Hex Raised Countersunk Security Machine Screw
SKU: HX03
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6 Lobe Pin TX Raised Countersunk Machine Screw
SKU: TX03
Our M3.5 Screws
Our range of M3.5 screws is designed for consistent, secure fastening across electrical applications where reliability and tamper resistance are important.
The M3.5 standard is widely used in the electrical trade, providing a balance of strength, fit, and compatibility for socket fronts, switches, control panels, and similar installations.
Head Types and Security Options
We stock a wide selection of M3.5 countersunk screws in various lengths, along with multiple raised countersunk and security head styles, including:
- Pin TX
- Clutch Head
- Pin Hex
- 2-Hole
Different head types offer different levels of access and security depending on the installation environment:
- Standard heads for general installation efficiency
- Security heads for tamper-resistant or restricted-access environments
- Sizes and Availability
M3.5 screws are supplied in a range of lengths to suit different installation requirements.
Additional sizes and non-standard lengths can be supplied to order, supporting both standard electrical installations and project-specific requirements.
Fastenright supplies M3.5 electrical screws for trade, manufacturing, and installation use, with options suitable for both standard and specialist applications.
For technical advice or non-standard requirements, contact us to discuss your application, or browse our full range of security screws.
New Arrival – The Tricone
Introducing our patented premium security screw the "Tricone®".
Only available from Fastenright Ltd - all tools are uniquely coded and fully traceable providing the highest security
of any security screw on the market!