HDG Square Washer Inner Diameter 20mm, Sides 50mm, Thickness 3.2mm | Matkel Store

The HDG Square Washer from Matkel store is a hot-dip galvanized steel plate engineered to provide superior corrosion resistance. Primarily used in construction to distribute fastening loads from bolts or nuts over a wider surface area, it protects materials from damage and prevents loosening over time.

• Nominal Bolt Diameter: 16 mm
• Inner Diameter: 20 mm (+0.5 mm tolerance)
• Square Side Length: 50 mm
• Thickness: 3.2 mm (±0.6 mm tolerance)
• Material: F-20 steel per IRAM IAS U 500-503 standard
• Surface Protection: Hot-dip galvanized zinc plating per IRAM 20022 (Annex D)
• Manufacturing Number (MN): 84
• Registration Number: 200910