Square Plate Washers – M16, M20, M24

At BoltBox, our square plate washers are engineered and quality-checked by specialists with extensive experience in the UK construction and engineering sectors. Each washer is designed to deliver consistent load distribution for holding down bolts, ensuring stable, long-term performance in structural foundations and steel column assemblies.

Manufactured from high-grade galvanised steel, our washers provide exceptional corrosion resistance and mechanical strength, making them suitable for concrete foundations, heavy-duty industrial projects, and exposed environments. Every washer is inspected to meet BS and EN standards, ensuring compliance with modern building regulations.

Available in M16, M20, and M24 sizes, our components are compatible with standard holding down bolt assemblies and foundation systems. For unique project requirements or larger contracts, our technical team can provide custom dimensions and expert guidance based on decades of combined field experience.

Choose BoltBox square plate washers to complete your anchoring system with proven, reliable components trusted by contractors, engineers, and fabricators across the UK.