Description
M6 Square Washer – A4 Stainless Steel (40x40mm)
The M6 Square Plate Washer – A4 Stainless Steel is designed for use with M6 fixings in Unistrut-type channels. Made from A316 marine grade stainless steel, this corrosion-resistant washer ensures a secure and reliable fixing for structural and industrial installations.
Key Features:
- Washer Size: 40mm × 40mm square plate
- Thickness: 5mm heavy-duty build
- Thread Compatibility: Suitable for M6 bolt clearance
- Material: A4 (Grade 316) Stainless Steel – ideal for indoor and outdoor use
- Compatibility: Works with all Unistrut-type channels – P1019 equivalent
- Sold Individually
Benefits:
- Provides even load distribution across the fastening point
- Marine grade stainless steel resists rust and corrosion
- Ideal for industrial, marine, and construction use
- Matches M6 stainless bolts and strut systems perfectly
Ordering & Delivery
✔ Trusted UK Delivery – 95% of orders dispatched within 24 hours
Most orders arrive within 1–2 working days as standard.
Note: Heavy or bulk orders, as well as any special cut length or non-standard products, may take slightly longer to dispatch.
For bulk quantities or trade pricing, please call our team on 0121 270 8507.













