We will be closed from 4pm, 2nd April 2026 and will reopen 8am, 7th April 2026.

M10 Heavy Duty Square Washer Zinc Plated 40mm x 40mm x 5mm Pack of 1

SKU: UNIFB100M10
In stock
  • Buy 100 for £0.22 Incl. VAT £0.18 Excl. VAT each save 28%
  • Buy 1000 for £0.17 Incl. VAT £0.14 Excl. VAT each save 44%
- +
In stock
Add to compare
Need Help: Call 01270 252 326

M10 Heavy-Duty Square Washer 5mm Thick 40mm x 40mm.
Heavy duty square washers are designed for use with channel support systems such as Unistrut.
They can also be used in other applications which require a heavy-duty washer such as construction and timber applications.
How Do They Work?
The size of the washer is designed to fit inside standard channel which is 41mm x 41mm.
The 5mm thickness makes them suitable for spreading the load in assembly.
They are commonly used with bolts and threaded rod.
Who Uses Heavy Duty Square Washers?
Heavy duty square washers are commonly used in:
•    Electrical conduit support systems
•    HVAC ducting
•    Pipe support systems
•    Cable tray systems
•    Solar panel installation
Technical Specification
Washer diameter: 40mm x 40mm square
Washer thickness: 5mm
Hole size: 12mm for M10 threaded fasteners
Finish: Zinc plated
Material: Carbon steel
Pack quantity: 1
Pack type: Bagged individually. Boxed in 100’s.
Commodity code : 7318220098

Associated Products

Navigating through the elements of the carousel is possible using the tab key. You can skip the carousel or go straight to carousel navigation using the skip links.
M10 x 1 Metre Threaded Bar Grade 4.6 Zinc Plated
In stock
£1.44 Incl. VAT £1.20 Excl. VAT As low as £0.96 Incl. VAT £0.80 Excl. VAT
M10 Channel Nuts Long Spring Zinc Plated
In stock
£12.96 Incl. VAT £10.80 Excl. VAT
M10 Channel Nuts Plain No Spring Zinc Plated
In stock
£11.94 Incl. VAT £9.95 Excl. VAT
Hex Head Set Screw M10 x 30mm Zinc High Tensile
In stock
£11.10 Incl. VAT £9.25 Excl. VAT As low as £5.82 Incl. VAT £4.85 Excl. VAT
Penny Washer also Repair Washer
In stock
£3.00 Incl. VAT £2.50 Excl. VAT As low as £2.16 Incl. VAT £1.80 Excl. VAT
M10 Hex Nuts Zinc Plated Grade 8 DIN934
In stock
£3.30 Incl. VAT £2.75 Excl. VAT As low as £2.16 Incl. VAT £1.80 Excl. VAT
SKU UNIFB100M10
Manufacturer Unifix
GTIN 5014196235356
Material Zinc Plated Steel
Box Quantity 1
Diameter M10

STANDARD DELIVERY FREE ON UK ORDERS OVER £30 (inc VAT) (*restrictions apply)

 

Standard delivery is 2-3 working days from when the order is placed.

 

Orders under £30 (inc VAT) will be charged £4.99 (inc VAT).

 

Please note we currently do not offer a next day delivery option - if you require goods next day please CONTACT US

 

Please see our delivery page for restrictions and further information

 

Orders are despatched Monday - Friday (except Bank Holidays).  

 

ORDER CUT OFF  - All orders received after 3pm will be processed on the next working day.