M16 (18mm) x 48mm Form G Washer (Flat) BS 4320G | Galvanised Steel
| Quantity |
Unit Price
(ex. VAT)
|
Unit Price
(inc. VAT)
|
|---|---|---|
| 1 - 99 | £0.35 | £0.42 |
| 100 - 249 | £0.33 | £0.40 |
| 250 - 499 | £0.28 | £0.34 |
| 500 + | £0.20 | £0.24 |
£0.42 / each
Product Specification
| Size | M16 |
| Internal Diameter | 18.0mm |
| Outside Diameter | 48.0mm |
| Thickness | 4.00mm |
| Standard | BS 4320 G |
| Material | Steel Galvanised |
Frequently Bought Together
Total Price: £0.00
M16, Form G Flat Washer, 48.0mm OD, 18.0mm ID, 4.0mm Thick, BS4320G, Galvanised Steel | Vital Parts – WG4320-M16-HDG
Improve joint reliability using our Form G Flat Washer, engineered to spread load, protect surfaces and support secure clamping in bolted assemblies. Manufactured to BS4320G from Galvanised Steel, this washer is sized for M16 fasteners with an 18.0mm internal diameter and an 48.0mm outside diameter. With a 4.0mm thickness, it is ideal for general engineering, maintenance and construction applications across the UK where consistent bearing support is required.
What Are Form G Flat Washers?
Form G flat washers are general-purpose load-spreading washers specified to BS 4320 Form G. Fitted under bolt heads or nuts, they help distribute tightening forces over a wider area to reduce surface damage, minimise embedment and improve clamp stability. The galvanised finish supports use in exposed and outdoor assemblies where additional corrosion resistance is beneficial.
Applications and Key Industries
These Form G washers are commonly used across the UK where secure bolted joints are required and surface protection matters. Typical applications include site maintenance, structural steelwork, agricultural equipment, general fabrication and plant engineering.
Key Features
- BS 4320 Form G standard: Consistent washer dimensions for dependable assembly fit.
- Load distribution: Helps reduce surface marking and improves clamping performance.
- Galvanised steel protection: Practical corrosion resistance for external and site use.
- Stable bearing surface: Supports nuts and bolt heads on softer or coated materials.
Product Specifications
- Size: M16
- Internal Diameter: 18.0mm
- Outside Diameter: 48.0mm
- Thickness: 4.0mm
- Material: Galvanised Steel
- Standard: BS 4320 G
Benefits
- Supports consistent clamp load: Helps maintain joint integrity when correctly installed.
- Protects mating surfaces: Helps prevent damage to painted, plated or softer materials.
- Improves assembly quality: Helps compensate for uneven contact areas.
- Practical UK trade choice: Suitable for maintenance, repair and production environments.
Why Buy from Vital Parts?
Vital Parts supplies quality components for trade and industry with dependable stock and customer support.
- UK based customer support team
- Same-day dispatch on stocked lines
- Free product samples on request
- Trade pricing available with a Business Account
Call Vital Parts Today
For expert advice, free product samples and same-day dispatch, call our England based customer support team on 01233 713 581. Register for your Vital Parts Business Account to unlock credit payment terms, preferential delivery options, exclusive trade pricing and a dedicated account manager.
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