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. Related Products: M6 Threaded Rod – A4 Stainless Steel M6 Plain Channel Nuts – A4 Stainless View All Stainless Steel Washers
