Best Electrical Switch Box Screws of 2026

Last updated on 29/01/2026
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1
Electrical Socket Screws | Electrical Switch Screws | British Made | Assorted Pack | 4 Lengths | 40 Pieces | 10 each 30, 40, 50 & 60mm

Electrical Socket Screws | Electrical Switch Screws | British Made | Assorted Pack | 4 Lengths | 40 Pieces | 10 each 30, 40, 50 & 60mm

Planet Value
Why we love it
  • High Quality Bright Zinc Plated.
  • Easy Thread Locate Style.
  • British Made and Reliable.
Main Highlights
  • Assorted Pack
  • Four Lengths
  • UK Company
  • UK Based Customer Services
  • High Quality Bright Zinc Plated
  • British Made
Show More
9.7
Exceptional
9.7
Exceptional
Planet Value

Electrical Socket Screws | Electrical Switch Screws | British Made | Assorted Pack | 4 Lengths | 40 Pieces | 10 each 30, 40, 50 & 60mm

Why we love it
  • High Quality Bright Zinc Plated.
  • Easy Thread Locate Style.
  • British Made and Reliable.
Main Highlights
  • Assorted Pack
  • Four Lengths
  • UK Company
  • UK Based Customer Services
  • High Quality Bright Zinc Plated
  • British Made
Show More
Value for Money
2
Electrical Socket Screws | Assorted Pack | 4 Lengths | 40 Pieces | 10 each 30, 40, 50 & 60mm

Electrical Socket Screws | Assorted Pack | 4 Lengths | 40 Pieces | 10 each 30, 40, 50 & 60mm

Planet Value
Why we love it
  • Multiple lengths for versatility.
  • Exceptional UK-based support.
  • High-quality zinc plating.
Main Highlights
  • Assorted Pack
  • Four Lengths
  • UK Company
  • UK Based Customer Services
  • High Quality Bright Zinc Plated
Show More
9.6
Superb
9.6
Superb
Planet Value

Electrical Socket Screws | Assorted Pack | 4 Lengths | 40 Pieces | 10 each 30, 40, 50 & 60mm

Why we love it
  • Multiple lengths for versatility.
  • Exceptional UK-based support.
  • High-quality zinc plating.
Main Highlights
  • Assorted Pack
  • Four Lengths
  • UK Company
  • UK Based Customer Services
  • High Quality Bright Zinc Plated
Show More
3
Harlington Group Pack of 40 Mixed M3.5 Screws 35mm, 40mm,50mm and 75mm Long Assorted Electrical Machine Screw for Light Switch and Plug Sockets Bright Zinc Plated DIY Plated Slotted Head

Harlington Group Pack of 40 Mixed M3.5 Screws 35mm, 40mm,50mm and 75mm Long Assorted Electrical Machine Screw for Light Switch and Plug Sockets Bright Zinc Plated DIY Plated Slotted Head

Harlington Group
32% Off
Why we love it
  • High quality assorted pack.
  • Multiple screw lengths included.
  • Ideal for electrical fixes.
Main Highlights
  • High Quality Assorted pack of M3.5 Electrical Machine Screws For Light Switch Plug Socket
  • This pack contains 10 x 35mm, 10 x 40mm, 10 x 50mm and 10 x 75mm M3.5 Screws
  • Ideal for replacing screws which no longer reach the back box due to tiling, plastering etc
  • Long length Chrome plated finish screws for fixing electrical front plates to the back box.
  • Please Note the 75mm Screws May Come As Zinc Platted Or Nickle Platted And Therefore May Vary In Colour To The Other Screws
Show More
9.5
Superb
9.5
Superb
Harlington Group

Harlington Group Pack of 40 Mixed M3.5 Screws 35mm, 40mm,50mm and 75mm Long Assorted Electrical Machine Screw for Light Switch and Plug Sockets Bright Zinc Plated DIY Plated Slotted Head

32% Off
Why we love it
  • High quality assorted pack.
  • Multiple screw lengths included.
  • Ideal for electrical fixes.
Main Highlights
  • High Quality Assorted pack of M3.5 Electrical Machine Screws For Light Switch Plug Socket
  • This pack contains 10 x 35mm, 10 x 40mm, 10 x 50mm and 10 x 75mm M3.5 Screws
  • Ideal for replacing screws which no longer reach the back box due to tiling, plastering etc
  • Long length Chrome plated finish screws for fixing electrical front plates to the back box.
  • Please Note the 75mm Screws May Come As Zinc Platted Or Nickle Platted And Therefore May Vary In Colour To The Other Screws
Show More
4
Pack of 40 Mixed M3.5mm Long Black Electrical Machine Screws for Light Switch & Socket – Mixed Sizes (30mm, 40mm, 50mm, 75mm)

Pack of 40 Mixed M3.5mm Long Black Electrical Machine Screws for Light Switch & Socket – Mixed Sizes (30mm, 40mm, 50mm, 75mm)

HanaMoon
Why we love it
  • Premium quality black coated steel.
  • Includes multiple screw lengths.
  • Easy installation with secure hold.
Main Highlights
  • Pack of 40: Includes 10 screws each in 4 different lengths: 30mm, 40mm, 50mm and 75mm.
  • Premium Quality: Made from high-grade Black coated steel for enhanced durability and corrosion resistance.
  • Versatile Use: Ideal for securing electrical switch and socket faceplates to back boxes.
  • Wide Range of Sizes: Suitable for installations requiring different screw lengths, perfect for adapting to varying wall depths.
  • Easy Installation: Precisely machined threads for smooth fitting and secure hold.
  • Black Zinc Finish: Ensures rust resistance and long-lasting performance.
Show More
9.3
Superb
9.3
Superb
HanaMoon

Pack of 40 Mixed M3.5mm Long Black Electrical Machine Screws for Light Switch & Socket – Mixed Sizes (30mm, 40mm, 50mm, 75mm)

Why we love it
  • Premium quality black coated steel.
  • Includes multiple screw lengths.
  • Easy installation with secure hold.
Main Highlights
  • Pack of 40: Includes 10 screws each in 4 different lengths: 30mm, 40mm, 50mm and 75mm.
  • Premium Quality: Made from high-grade Black coated steel for enhanced durability and corrosion resistance.
  • Versatile Use: Ideal for securing electrical switch and socket faceplates to back boxes.
  • Wide Range of Sizes: Suitable for installations requiring different screw lengths, perfect for adapting to varying wall depths.
  • Easy Installation: Precisely machined threads for smooth fitting and secure hold.
  • Black Zinc Finish: Ensures rust resistance and long-lasting performance.
Show More
5
Pack of 40 Mixed M3.5 Screws 35mm, 40mm,50mm and 75mm Long Assorted Electrical Machine Screw for Light Switch and Plug Sockets Bright Zinc Plated DIY Plated Slotted Head

Pack of 40 Mixed M3.5 Screws 35mm, 40mm,50mm and 75mm Long Assorted Electrical Machine Screw for Light Switch and Plug Sockets Bright Zinc Plated DIY Plated Slotted Head

315 Supplies
14% Off
Why we love it
  • Universal fit for sockets.
  • Durable chrome plated finish.
  • Varied screw lengths included.
Main Highlights
  • M3.5 Electrical Machine Screw Kit: Universal Fit for Sockets & Switches
  • Pack contains 10 x 35mm, 10 x 40mm, 10 x 50mm and 10 x 75mm M3.5 Screws
  • For replacing screws which no longer reach the back box due to tiling, plastering and more
  • Chrome plated finish long length screws for fixing electrical front plates to the back box.
  • Please Note that the 75mm Screws May Come As Zinc Platted Or Nickle Platted And Therefore May Vary In Colour To The Other Screws
Show More
9.2
Superb
9.2
Superb
315 Supplies

Pack of 40 Mixed M3.5 Screws 35mm, 40mm,50mm and 75mm Long Assorted Electrical Machine Screw for Light Switch and Plug Sockets Bright Zinc Plated DIY Plated Slotted Head

14% Off
Why we love it
  • Universal fit for sockets.
  • Durable chrome plated finish.
  • Varied screw lengths included.
Main Highlights
  • M3.5 Electrical Machine Screw Kit: Universal Fit for Sockets & Switches
  • Pack contains 10 x 35mm, 10 x 40mm, 10 x 50mm and 10 x 75mm M3.5 Screws
  • For replacing screws which no longer reach the back box due to tiling, plastering and more
  • Chrome plated finish long length screws for fixing electrical front plates to the back box.
  • Please Note that the 75mm Screws May Come As Zinc Platted Or Nickle Platted And Therefore May Vary In Colour To The Other Screws
Show More
6
Mixed Group Pack of 40x Electrical Socket Screws Including 25mm, 35mm, 40mm, 50mm & 75mm Silver Assortment Pack M3.5 Outlet Screws

Mixed Group Pack of 40x Electrical Socket Screws Including 25mm, 35mm, 40mm, 50mm & 75mm Silver Assortment Pack M3.5 Outlet Screws

Jones DIY
Why we love it
  • Premium, corrosion-resistant steel finish.
  • Includes multiple screw sizes.
  • Long-lasting and durable.
Main Highlights
  • 40 Screws included in the mixed pack
  • High quality steel for a corrosion resistant, long lasting premium finish
  • 8 Screw included of each of the following sizes; 25mm, 35mm, 40mm, 50mm & 75mm
  • Round Head Countersunk
  • Slotted Drive
Show More
9.1
Superb
9.1
Superb
Jones DIY

Mixed Group Pack of 40x Electrical Socket Screws Including 25mm, 35mm, 40mm, 50mm & 75mm Silver Assortment Pack M3.5 Outlet Screws

Why we love it
  • Premium, corrosion-resistant steel finish.
  • Includes multiple screw sizes.
  • Long-lasting and durable.
Main Highlights
  • 40 Screws included in the mixed pack
  • High quality steel for a corrosion resistant, long lasting premium finish
  • 8 Screw included of each of the following sizes; 25mm, 35mm, 40mm, 50mm & 75mm
  • Round Head Countersunk
  • Slotted Drive
Show More
7
315 Supplies Pack of 55 Mixed M3.5 Screws 35mm, 40mm,50mm and 75mm Long Assorted Electrical Machine Screw for Light Switch and Plug Sockets Nickel Plated DIY Slotted Head (55 Piece Set)

315 Supplies Pack of 55 Mixed M3.5 Screws 35mm, 40mm,50mm and 75mm Long Assorted Electrical Machine Screw for Light Switch and Plug Sockets Nickel Plated DIY Slotted Head (55 Piece Set)

315 Supplies
5% Off
Why we love it
  • High quality screws pack.
  • Various sizes included.
  • Perfect for replacements.
Main Highlights
  • High Quality Assorted pack of M3.5 Electrical Machine Screws For Light Switch Plug Socket
  • Pack Contains: 15 x 35mm, 15 x 40mm, 15 x 50mm and 10 x 75mm M3.5 Socket Screws.
  • Ideal for replacing screws which no longer reach the back box due to tiling, plastering etc
  • Long length Chrome plated finish screws for fixing electrical front plates to the back box.
  • Please note - Screw colour may appear to vary due to screen of device purchased on - Rest assured though, these are nickel plated and you will never receive a mix of colours.
Show More
9.0
Superb
9.0
Superb
315 Supplies

315 Supplies Pack of 55 Mixed M3.5 Screws 35mm, 40mm,50mm and 75mm Long Assorted Electrical Machine Screw for Light Switch and Plug Sockets Nickel Plated DIY Slotted Head (55 Piece Set)

5% Off
Why we love it
  • High quality screws pack.
  • Various sizes included.
  • Perfect for replacements.
Main Highlights
  • High Quality Assorted pack of M3.5 Electrical Machine Screws For Light Switch Plug Socket
  • Pack Contains: 15 x 35mm, 15 x 40mm, 15 x 50mm and 10 x 75mm M3.5 Socket Screws.
  • Ideal for replacing screws which no longer reach the back box due to tiling, plastering etc
  • Long length Chrome plated finish screws for fixing electrical front plates to the back box.
  • Please note - Screw colour may appear to vary due to screen of device purchased on - Rest assured though, these are nickel plated and you will never receive a mix of colours.
Show More
8
M3.5 Electrical Fixing Screws,Nickel Plated, Socket Screws Including 30+35+40+50+60+75mm Silver Assortment Pack, M3.5 Outlet Screws for Socket & Switch Installation, Back Boxes, Junction Boxes

M3.5 Electrical Fixing Screws,Nickel Plated, Socket Screws Including 30+35+40+50+60+75mm Silver Assortment Pack, M3.5 Outlet Screws for Socket & Switch Installation, Back Boxes, Junction Boxes

Artomnivera
Why we love it
  • Corrosion-resistant for lasting quality.
  • Multiple sizes for versatility.
  • Robust grip prevents loosening.
Main Highlights
  • 🔧【Corrosion-Resistant Nickel-Plated Surface】These M3.5 electrical screws feature nickel plating that effectively resists corrosion, giving them a professional finish while ensuring long-term stability and a like-new appearance.
  • 🔧【Multi-Size Socket Screw Set】Includes 40 screws: 50mm outlet screws,30mm, 35mm, 40mm,60mm and extended outlet screws (75mm), with ten socket screws per size. Flexibly adapts to varying depths, effortlessly meeting diverse outlet screw installation needs.
  • 🔧【Robust M3.5 Thread】Precision-manufactured M3.5 screws deliver exceptional grip, making them a reliable choice among M3.5 electrical screws. Effectively prevents electrical equipment from loosening over time.
  • 🔧【Flat-Head Countersunk Design】Our flat-head screw structure ensures flush installation, ideal for securely fastening wall socket screws, switches, and junction boxes.
  • 🔧【Wide Electrical Compatibility】long screws for electrical sockets.Suitable for socket screws, junction boxes, power outlet screws, and more, delivering versatile electrical screw solutions for residential and commercial installations.
Show More
9.0
Superb
9.0
Superb
Artomnivera

M3.5 Electrical Fixing Screws,Nickel Plated, Socket Screws Including 30+35+40+50+60+75mm Silver Assortment Pack, M3.5 Outlet Screws for Socket & Switch Installation, Back Boxes, Junction Boxes

Why we love it
  • Corrosion-resistant for lasting quality.
  • Multiple sizes for versatility.
  • Robust grip prevents loosening.
Main Highlights
  • 🔧【Corrosion-Resistant Nickel-Plated Surface】These M3.5 electrical screws feature nickel plating that effectively resists corrosion, giving them a professional finish while ensuring long-term stability and a like-new appearance.
  • 🔧【Multi-Size Socket Screw Set】Includes 40 screws: 50mm outlet screws,30mm, 35mm, 40mm,60mm and extended outlet screws (75mm), with ten socket screws per size. Flexibly adapts to varying depths, effortlessly meeting diverse outlet screw installation needs.
  • 🔧【Robust M3.5 Thread】Precision-manufactured M3.5 screws deliver exceptional grip, making them a reliable choice among M3.5 electrical screws. Effectively prevents electrical equipment from loosening over time.
  • 🔧【Flat-Head Countersunk Design】Our flat-head screw structure ensures flush installation, ideal for securely fastening wall socket screws, switches, and junction boxes.
  • 🔧【Wide Electrical Compatibility】long screws for electrical sockets.Suitable for socket screws, junction boxes, power outlet screws, and more, delivering versatile electrical screw solutions for residential and commercial installations.
Show More
9
40PCS M3.5 Electrical Socket Screws, Silver Flat Head Slotted Machine Screws, Mixed Length 30mm, 40mm, 50mm, 60mm, Electrical Switch Screws for Socket & Switch Installation, Back Boxes & Faceplates

40PCS M3.5 Electrical Socket Screws, Silver Flat Head Slotted Machine Screws, Mixed Length 30mm, 40mm, 50mm, 60mm, Electrical Switch Screws for Socket & Switch Installation, Back Boxes & Faceplates

Chersun
Why we love it
  • Durable steel construction.
  • Flat head for neat fit.
  • Versatile for electrical fittings.
Main Highlights
  • Complete Size Assortment: This 40-piece set of M3.5 electrical fixing screws includes four commonly used lengths to handle different installation depths. You receive 10 screws each in 30mm, 40mm, 50mm and 60mm, making it ideal for replacing or extending electrical socket screws after tiling, plastering or wall boarding. A practical mixed pack for professionals and DIY users
  • Flat Head Countersunk Design: Each electrical switch screw features a flat countersunk head that sits flush with the surface once installed. This ensures a clean, professional finish for sockets, switches and faceplates while preventing protrusion. The classic slotted drive allows easy alignment and controlled tightening, especially useful for M3.5 outlet screws in visible electrical fittings
  • Strong Steel Construction: Manufactured from durable steel, these M3.5 machine screws provide reliable strength and resistance to corrosion for long-term use. The solid threading ensures secure engagement with back boxes, reducing loosening over time. Ideal for both residential and commercial electrical installations where dependable electrical machine screw performance is required
  • Precision Threaded for Secure Fixing: Designed to standard M3.5 electrical machine screw specifications, the precise threading delivers a firm grip when fixing sockets, switches and junction boxes. These electrical long socket screws help maintain stable alignment over time, reducing the need for re-tightening and improving installation reliability in everyday electrical applications
  • Wide Electrical Applications: Suitable for installing or replacing faceplates, switches, sockets, back boxes and junction boxes, this M3.5 electrical machine screws set is ideal for home renovation, maintenance work and commercial electrical projects. A practical assortment of machine screws designed to meet everyday electrical fitting needs efficiently
Show More
8.8
Excellent
8.8
Excellent
Chersun

40PCS M3.5 Electrical Socket Screws, Silver Flat Head Slotted Machine Screws, Mixed Length 30mm, 40mm, 50mm, 60mm, Electrical Switch Screws for Socket & Switch Installation, Back Boxes & Faceplates

Why we love it
  • Durable steel construction.
  • Flat head for neat fit.
  • Versatile for electrical fittings.
Main Highlights
  • Complete Size Assortment: This 40-piece set of M3.5 electrical fixing screws includes four commonly used lengths to handle different installation depths. You receive 10 screws each in 30mm, 40mm, 50mm and 60mm, making it ideal for replacing or extending electrical socket screws after tiling, plastering or wall boarding. A practical mixed pack for professionals and DIY users
  • Flat Head Countersunk Design: Each electrical switch screw features a flat countersunk head that sits flush with the surface once installed. This ensures a clean, professional finish for sockets, switches and faceplates while preventing protrusion. The classic slotted drive allows easy alignment and controlled tightening, especially useful for M3.5 outlet screws in visible electrical fittings
  • Strong Steel Construction: Manufactured from durable steel, these M3.5 machine screws provide reliable strength and resistance to corrosion for long-term use. The solid threading ensures secure engagement with back boxes, reducing loosening over time. Ideal for both residential and commercial electrical installations where dependable electrical machine screw performance is required
  • Precision Threaded for Secure Fixing: Designed to standard M3.5 electrical machine screw specifications, the precise threading delivers a firm grip when fixing sockets, switches and junction boxes. These electrical long socket screws help maintain stable alignment over time, reducing the need for re-tightening and improving installation reliability in everyday electrical applications
  • Wide Electrical Applications: Suitable for installing or replacing faceplates, switches, sockets, back boxes and junction boxes, this M3.5 electrical machine screws set is ideal for home renovation, maintenance work and commercial electrical projects. A practical assortment of machine screws designed to meet everyday electrical fitting needs efficiently
Show More
10
M3.5 x 50mm Black Zinc Electrical Machine Screws – Pack of 10 | Light Switch & Plug Socket Screws for Back Boxes, Slotted Head

M3.5 x 50mm Black Zinc Electrical Machine Screws – Pack of 10 | Light Switch & Plug Socket Screws for Back Boxes, Slotted Head

HanaMoon
Why we love it
  • Extra-long length for versatility.
  • Rust-resistant black zinc plating.
  • Classic slotted head design.
Main Highlights
  • Size: M3.5 × 50mm – popular extra-long length for deeper installations.
  • Robust & Protected: Steel core with black zinc plating to resist rust.
  • Slotted Head: Classic appearance; easy to tighten.
  • Pack Quantity: 10 screws supplied for multiple fittings and spares.
  • Fits: Switches, sockets, spurs and accessory plates into dry-lining or metal back boxes.
  • Use Case: Ideal where spacers, tiles or panelling add significant depth.
Show More
8.7
Excellent
8.7
Excellent
HanaMoon

M3.5 x 50mm Black Zinc Electrical Machine Screws – Pack of 10 | Light Switch & Plug Socket Screws for Back Boxes, Slotted Head

Why we love it
  • Extra-long length for versatility.
  • Rust-resistant black zinc plating.
  • Classic slotted head design.
Main Highlights
  • Size: M3.5 × 50mm – popular extra-long length for deeper installations.
  • Robust & Protected: Steel core with black zinc plating to resist rust.
  • Slotted Head: Classic appearance; easy to tighten.
  • Pack Quantity: 10 screws supplied for multiple fittings and spares.
  • Fits: Switches, sockets, spurs and accessory plates into dry-lining or metal back boxes.
  • Use Case: Ideal where spacers, tiles or panelling add significant depth.
Show More