Description M8 Square Washer – A4 Stainless Steel (40x40mm) The M8 Square Plate Washer – A4 Stainless Steel offers a durable and corrosion-resistant solution for use with unistrut systems and M8 fixings. Made from A316 marine grade stainless steel, this washer provides secure load distribution and is ideal for both indoor and outdoor structural applications. Key Features: Washer Size: 40mm × 40mm square plate Thickness: 5mm heavy-duty profile Thread Compatibility: Suitable for M8 clearance holes Material: A4 (Grade 316) Stainless Steel – marine grade corrosion protection Compatibility: Works with all Unistrut-type channels – equivalent to P1019 Sold Individually Benefits: Evenly distributes load for improved stability and secure mounting Excellent resistance to rust, seawater, and chemicals Perfect for external frameworks, brackets, or containment systems Compatible with all M8 stainless bolts, nuts, and channel systems 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. Related Products: M8 Threaded Rod – A4 Stainless Steel M8 Plain Channel Nuts – A4 Stainless View All Stainless Steel Washers
