M20 Steel Square Plate Washers (50/Pack)
Nationwide Delivery
Wed 10 Jun
- 2days
- 7hrs
- 41mins
- 16secs
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- Choose Clearpay at checkout to pay later with Pay in 4.
- Complete your purchase with the first payment today.
- Remaining payments are taken automatically.
Clearpay is unregulated credit. Use responsibly. 18+, T&Cs and late fees apply at clearpay.co.uk/en-GB
Clearpay lends you a fixed amount of credit so you can pay for your purchase over 4 instalments, due every 2 weeks. Ensure you can make repayments on time. You must be 18+ and a permanent UK resident (excl Channel Islands). Clearpay charges a £6 late fee for each late instalment and a further £6 if it’s still unpaid 7 days later. Late fees are capped at £6 for orders under £24 and the lower of £24 or 25% of the order value for orders over £24. Missed payments may affect your ability to use Clearpay in the future and your details may be passed onto a debt collection agency working on Clearpay’s behalf. Clearpay is credit that is not regulated by the Financial Conduct Authority. T&Cs and other eligibility criteria apply at clearpay.co.uk/terms
Delivery & Returns Information
Delivery charges vary by product category and order value. Items may ship from different suppliers and arrive separately, so delivery charges can be shown per part of your order at checkout.
Standard (Nationwide) Delivery
| Screws & Fixings and Adhesives & Sealants | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £75 | £7.50 ex. VAT |
| Over £75 ex. VAT | FREE |
Express Delivery
| Express Delivery - Insulation and Plasterboard & Drylining | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £400 | £90 ex. VAT |
| Over £400 ex. VAT | £55 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 |
How delivery works
We work with a nationwide network of trusted suppliers. Items in your basket may be supplied by different suppliers and delivered separately. Where this applies, you will see delivery charges shown at checkout for each part of your order. We always aim to group products from the same supplier to keep delivery costs as low as possible.
Delivery areas
Delivery charges apply to mainland UK, excluding: AB, CA, CF, DD, DG, EH, EX, FK, KA, KW, KY, IV, LA, LD, LL, ML, NP, PA, PH, PL, SA, SY, TR, TQ and TD.
If your address is in one of these areas, we will contact you before processing your order to confirm any additional costs. We do not currently offer delivery outside the UK mainland.
What to expect on delivery day
- Deliveries are typically kerbside.
- Please ensure someone is on-site to accept delivery. For heavier items, help with offloading may be required.
- Many building materials arrive on large vehicles. If access is restricted, a specialist vehicle such as a HIAB may be required and could incur an additional charge.
Why delivery can cost more than typical parcel delivery
Building materials often travel on larger vehicles and usually carry fewer drops per run than parcel networks. That is why delivery charges can be higher than standard e-commerce shipping.
Returns
Returns depend on what you have bought and whether there is anything wrong with it. For full details on eligibility, timeframes, and exclusions, please see our full policy.
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
| URN: | 1001329 |
|---|---|
| Material Type: | Carbon Steel |
| Size: | M20 |
| Diameter: | 20mm |
| Sales Unit: | Pack |
| Pieces Per Pack: | 50 |
| Colour: | Bright Zinc-Plated |
Product Overview
Steel Square Plate Washers with an M20 clearance hole and 50mm x 50mm plate size. Constructed from robust mild steel, these washers provide maximum load distribution for large-diameter fixings in high-stress applications.
The square design ensures superior surface bearing and edge support, minimising crushing and deformation under torque. The galvanised finish enhances corrosion resistance and durability, even in external or industrial conditions.
The M20 clearance hole accommodates 20mm bolts used in structural and heavy anchoring systems.
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 M20 bolts or threaded rods.
- Load spreading: Reduces surface crushing and pull-through on timber, steel, and masonry surfaces.
- M20 specification: 50mm x 50mm plate with M20 clearance hole for 20mm threaded fixings.
Applications
- Heavy structural bolting: Distributes extreme loads across supporting materials.
- Timber-to-steel connections: Provides stable bearing for oversized fasteners.
- Anchor and foundation fixings: Ensures secure load spread beneath large through-bolts.
- Industrial assembly: Used in large-scale frameworks and plant installations.
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.
