M8 Steel Square Plate Washers (50/Pack)
Galvanised steel square plate washers for spreading load on timber, steel, and masonry fixings. Suitable for structural and fencing projects. M8 sizing is ideal for post base assemblies.
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Tue 18 Nov
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Product Overview
Galvanised steel square plate washers for spreading load on timber, steel, and masonry fixings. Suitable for structural and fencing projects. M8 sizing is ideal for post base assemblies.
Delivery & Returns Information
How Our Delivery Works
We work with a nationwide network of trusted suppliers. As a result, items in your basket may be supplied by different suppliers and delivered separately. Where this applies, you'll see multiple delivery charges at checkout. We always aim to group products from the same supplier to keep delivery costs as low as possible.
Delivery Areas & Charges
Delivery charges listed on our website apply to mainland UK, excluding the following postcode areas: AB, CF, DD, DG, EH, FK, KA, KW, KY, IV, LA, LD, LL, ML, NP, PA, PH, SA, SY & TD
If your delivery address falls within one of these postcode areas, we’ll be in touch before processing your order to confirm any additional delivery costs.
Please note: We do not currently offer delivery outside the UK mainland.
Standard (Nationwide) Delivery
| Screws & Fixings and Adhesives & Sealants | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £50 | £5 ex. VAT |
| Over £50 ex. VAT | FREE |
| Insulation, Plasterboard and Drylining Products | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £350 | £35 ex. VAT |
| Over £350 ex. VAT | FREE |
| Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £100 | £20 ex. VAT |
| Over £100 ex. VAT | FREE |
Express Delivery
| Express Delivery - Insulation and Plasterboard & Drylining | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £400 | £50 ex. VAT |
| Over £400 ex. VAT | £35 ex. VAT |
| Express Delivery - Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £300 | £50 ex. VAT |
| Over £300 ex. VAT | £35 ex. VAT |
Returns
We offer a 30 day returns policy on any faulty products.
Key Features
- {{fitness_center}} Manufactured from mild steel
- {{center_focus_weak}} Spreads load on timber, steel, and masonry fixing
- {{construction}} Suitable for structural and fencing projects
- {{shield}} Resistance to pull-through and surface deformation
Technical Specification
| Material Type: | Carbon Steel |
|---|---|
| Size: | M8 |
| Pieces Per Pack: | 50 |
| Sales Unit: | Pack |
| Colour: | Bright Zinc-Plated |
| Diameter: | 8mm |
Product Overview
Steel Square Plate Washers with an M8 clearance hole and 50mm x 50mm plate size. These heavy-duty flat washers are manufactured from robust mild steel to provide a large bearing surface beneath bolt heads or nuts, distributing load evenly and reducing stress on timber or steel substrates.
The square shape offers enhanced edge contact compared with standard round washers, improving resistance to pull-through and surface deformation. Finished with a smooth, galvanised surface, the washers deliver reliable corrosion protection and consistent dimensional accuracy.
The M8 clearance hole is suited to 8mm threaded fixings and general construction anchoring.
Features & Benefits
- Square profile: Provides increased bearing area and edge contact for superior load distribution.
- Durable steel construction: Manufactured from mild steel for strength and structural reliability.
- Galvanised protection: Resists corrosion in exposed or damp conditions for long-term service life.
- Precision drilled hole: Ensures accurate fit around M8 bolts or threaded rods.
- Load spreading: Reduces surface crushing and pull-through on timber, steel, and masonry surfaces.
- M8 specification: 50mm x 50mm plate with M8 clearance hole for 8mm threaded fixings.
Applications
- Timber connections: Distributes bolt pressure across a wider surface to prevent crushing.
- Steel fabrication: Used beneath nuts or bolt heads in structural assemblies.
- Concrete anchoring: Provides a stable bearing surface for through-bolts and foundation fixings.
- General construction: Suitable for all load-bearing bolted joints requiring added reinforcement.
Installation Guidance
- Positioning: Place washer squarely beneath bolt head or nut to ensure full surface contact.
- Tightening: Apply uniform torque; avoid over-tightening to maintain substrate integrity.
- Corrosion control: Use galvanised or coated fasteners of compatible finish in external environments.
- Inspection: Check washers regularly in structural assemblies for signs of wear or corrosion.
Compliance & Performance
- Material grade: Manufactured from mild steel to EN 10025 standards.
- Surface finish: Hot-dip galvanised for enhanced corrosion resistance.
- Dimensional accuracy: Produced to conform with BS EN ISO 7089/7093 standards where applicable.
- Mechanical performance: Suitable for structural and general-purpose bolted connections.
- Important note: Use only with matching bolt diameters to maintain load performance and safety compliance.
