Square Plate Washers Archives

Square Plate Washers

Our Square Plate Washers, including Top Hat Washers, are designed for heavy-duty load distribution in structural and mechanical assemblies. With a broader surface area than standard washers, they help prevent pull-through and reduce stress on the connection point—ideal for use with threaded rod systems, channel supports, and bracketry.

Washer Types:
- Square Plate Washers
- Top Hat Square Plate Washers
Finish Options:
- Bright Zinc Plated (BZP) – Ideal for indoor use, offering moderate corrosion protection.
- Hot Dipped Galvanised (HDG) – Suitable for outdoor and exposed environments.
- Stainless Steel (A316 / A4) – Provides excellent corrosion resistance for marine, chemical, or high-moisture applications.
Hole Sizes Available:
M6, M8, M10, M12, and M16
Thickness Options:
3mm and 5mm, depending on product variant.

These washers are essential for spreading loads in pipe support, HVAC frameworks, and steel structure connections. For more information or to discuss your specific requirements, please contact us at sales@directchannel.uk.com or call 0121 270 8507.

Showing 1–20 of 21 results

M6 Square Plate Washers – (Box of 100) – 40x40x3mm – BZP

M6 Square Plate Washer Bright Zinc Plated - (BZP) 3mm Thick - Mild Steel 8mm Hole (D) For M6 Thread Clearance Dimensions: 40x40mm Compatible with all types of Channel & Bracketry. Box of 100.
Code: SPW06-3B40 £5.55 ex. VAT
£6.66 inc. VAT
M6 Square Plate Washers - (Box of 100) - 40x40x3mm - BZP quantity
M6 Square Plate Washers – (Box of 100) – 40x40x5mm – BZP

M6 Square Plate Washer Bright Zinc Plated - (BZP) 5mm Thick - Mild Steel 8mm Hole (D) For M6 Thread Clearance Dimensions: 40x40mm Compatible with all types of Channel & Bracketry. Box of 100.
Code: SPW06-5B40 £8.45 ex. VAT
£10.14 inc. VAT
M6 Square Plate Washers - (Box of 100) - 40x40x5mm - BZP quantity
M6 Top Hat Clip Square Plate Washer

M6 Top Hat Clip Square Plate Washer Designed to fit over 41mm Channel - Also know as Channel Clip Washers. Bright Zinc Plated - (BZP) 3mm Thick - Mild Steel For M6 Thread Clearance 7mm Hole Compatible with all Strut Types Sold Individually
Code: SPW06-TH.Q1 £0.10 ex. VAT
£0.12 inc. VAT
M6 Top Hat Clip Square Plate Washer quantity
M6 Square Plate Washers Hot Dip Galv. – (Box of 100)

M6 Square Plate Washer Flat square plate 1 hole washer for use with strut channel systems and in general construction applications Mild Steel Hot Dipped Galvanised Dimensions 40x40mm Thickness - 5mm 8mm Diameter Hole Upto M6 Thread Clearance Compatible with all Channel types Box of 100
Code: D001/06 £9.25 ex. VAT
£11.10 inc. VAT
M6 Square Plate Washers Hot Dip Galv. - (Box of 100) quantity
M6 Square Washer – A4 Stainless x 1

M6 Square Plate Washer (A4 Stainless Steel) Stainless Steel (A316) Dimensions - 40x40mm Thickness - 5mm For M6 Thread Clearance Compatible with all Unistrut type Channel Equivalent to Unistrut P1019 Sold Individually.
Code: SPW06-A4 £0.72 ex. VAT
£0.86 inc. VAT
M6 Square Washer - A4 Stainless x 1 quantity
M8 Square Plate Washers – (Box of 100) – 40x40x3mm – BZP

M8 Square Plate Washer Bright Zinc Plated - (BZP) 3mm Thick - Mild Steel For M8 Thread Clearance 10mm Hole (D) Dimensions: 40x40mm Compatible with all 21mm and 41mm Strut Channel Profile Types. Box of 100
Code: SPW08-3B40 £5.65 ex. VAT
£6.78 inc. VAT
M8 Square Plate Washers - (Box of 100) - 40x40x3mm - BZP quantity
M8 Square Plate Washers – (Box of 100) – 40x40x5mm – BZP

M8 Square Plate Washer Bright Zinc Plated - (BZP) 5mm Thick - Mild Steel 10mm Hole (D) For M8 Thread Clearance Dimensions: 40x40mm Compatible with all Strut & Brackets Box of 100
Code: SPW08-5B40 £8.45 ex. VAT
£10.14 inc. VAT
M8 Square Plate Washers - (Box of 100) - 40x40x5mm - BZP quantity
M8 Top Hat Clip Square Plate Washer

M8 Clip Top Hat Square Plate Washer Designed to fit over 41mm Channel - Also know as Channel Clip Washers. Bright Zinc Plated - (BZP) 3mm Thick - Mild Steel For M8 Thread Clearance 9mm Hole Compatible with all Strut Types Sold Individually
Code: SPW08-TH.Q1 £0.10 ex. VAT
£0.12 inc. VAT
M8 Top Hat Clip Square Plate Washer quantity
M8 Square Plate Washers Hot Dip Galv. – (Box of 100)

M8 Flat Square Plate Washer Mild Steel Hot Dipped Galvanised - (HDG) Dimensions - 40x40mm Thickness - 5mm 10mm Diameter Hole Upto M8 Thread Clearance Compatabible with all Strut Channel Box of 100
Code: D001/08 £9.25 ex. VAT
£11.10 inc. VAT
M8 Square Plate Washers Hot Dip Galv. - (Box of 100) quantity
M8 Square Washer – A4 Stainless

M8 Square Plate Washer (A4 Stainless Steel) Stainless Steel (A316) Dimensions - 40x40mm Thickness - 5mm For M8 Thread Clearance Compatible with all Unistrut type Channel Equivalent to Unistrut P1019 Sold Individually.
Code: SPW08-A4 £0.72 ex. VAT
£0.86 inc. VAT
M8 Square Washer - A4 Stainless quantity
M10 Square Plate Washers – (Box of 100) – 40x40x3mm – BZP

M10 Square Plate Washer Bright Zinc Plated - (BZP) 3mm Thick - Mild Steel For M10 Thread Clearance 12mm Hole (D) Dimensions: 40x40mm Compatible with all Strut Types Box of 100
Code: SPW10-3B40 £5.65 ex. VAT
£6.78 inc. VAT
M10 Square Plate Washers - (Box of 100) - 40x40x3mm - BZP quantity
M10 Square Plate Washers – (Box Of 100) – 40x40x5mm – BZP

M10 Square Plate Washer Bright Zinc Plated (BZP) 5mm Thick - Mild Steel 12mm Hole (D) For M10 Thread Clearance Dimensions: 40x40mm Compatible with all Strut & Brackets Box of 100.
Code: SPW10-5B40 £8.35 ex. VAT
£10.02 inc. VAT
M10 Square Plate Washers - (Box Of 100) - 40x40x5mm - BZP quantity
M10 Top Hat Clip Square Plate Washer

M10 Top Hat Clip Plate Washer Designed to fit over all types of Unistrut Channel - Also know as Top Hat Channel Clip Washer. Bright Zinc Plated - (BZP) 3mm Thick - Mild Steel For M10 Thread Clearance 11mm Hole Compatible with all Strut Types Sold Individually
Code: SPW10-TH.Q1 £0.10 ex. VAT
£0.12 inc. VAT
M10 Top Hat Clip Square Plate Washer quantity
M10 Square Plate Washers Hot Dip Galv. – (Box of 100)

M10 Flat Square Plate Washer Mild Steel Hot Dipped Galvanised - (HDG) Dimensions - 40x40mm Thickness - 5mm 12mm Diameter Hole Upto M10 Thread Clearance Compatible with all Strut Channel Box of 100
Code: D001/10 £9.80 ex. VAT
£11.76 inc. VAT
M10 Square Plate Washers Hot Dip Galv. - (Box of 100) quantity
M10 Square Washer – A4 Stainless

M10 Square Plate Washer (A4 Stainless Steel) Stainless Steel (A316) Dimensions - 40x40mm Thickness - 5mm For M10 Thread Clearance Compatible with all Unistrut type Channel Equivalent to Unistrut P1020 Sold Individually.
Code: SPW10-A4 £0.72 ex. VAT
£0.86 inc. VAT
M10 Square Washer - A4 Stainless quantity
M12 Square Plate Washers – (Box of 100) – 40x40x3mm – BZP

M12 Square Plate Washer Bright Zinc Plated - (BZP) 3mm Thick - Mild Steel For M12 Thread Clearance 14mm Hole (D) Dimensions: 40x40mm Compatible with all Strut Types Box of 100
Code: SPW12-3B40 £5.65 ex. VAT
£6.78 inc. VAT
M12 Square Plate Washers - (Box of 100) - 40x40x3mm - BZP quantity
M12 Square Plate Washers – (Box of 100) – 40x40x5mm – BZP

M12 Square Plate Washer Bright Zinc Plated - (BZP) 5mm Thick - Mild Steel For M12 Thread Clearance 14mm Hole (D) Dimensions: 40x40mm Compatible with all Strut Types Box of 100
Code: SPW12-5B40 £8.35 ex. VAT
£10.02 inc. VAT
M12 Square Plate Washers - (Box of 100) - 40x40x5mm - BZP quantity
M12 Top Hat Clip Square Plate Washer

M12 Top Hat Square Plate Washer Bright Zinc Plated - (BZP) 3mm Thick - Mild Steel For M12 Thread Clearance 13mm Hole Compatible with all Strut Types Sold Individually
Code: SPW12-TH.Q1 £0.10 ex. VAT
£0.12 inc. VAT
M12 Top Hat Clip Square Plate Washer quantity
M12 Square Plate Washer Hot Dip Galv. – (Box of 100)

M12 Square Plate Washer Mild Steel Hot Dipped Galvanised - (HDG) Dimensions - 40x40mm Thickness - 5mm 14mm Diameter Hole Upto M12 Thread Clearance Compatible with all Strut Channel Box of 100
Code: D001/12 £9.80 ex. VAT
£11.76 inc. VAT
M12 Square Plate Washer Hot Dip Galv. - (Box of 100) quantity
M12 Square Washer – A4 Stainless

M12 Square Plate Washer (A4 Stainless Steel) Stainless Steel (A316) Dimensions - 40x40mm Thickness - 5mm For M12 Thread Clearance Compatible with all Unistrut type Channel Equivalent to Unistrut P1020 Sold Individually.
Code: SPW12-A4 £0.72 ex. VAT
£0.86 inc. VAT
M12 Square Washer - A4 Stainless quantity