Hot Dip Galvanized Square Washer 28mm Inner Diameter, 75mm Sides, 4.8mm Thickness | Matkel Store

The Hot Dip Galvanized Square Washer by Matkel store is crafted from F-20 steel with hot-dip galvanized zinc plating to deliver exceptional corrosion resistance. This washer is designed to evenly distribute fastening loads from bolts or nuts over a larger surface area, protecting the base material and minimizing loosening in construction applications across Saudi Arabia.

• Nominal Bolt Diameter: 19 mm
• Inner Diameter: 28 mm (+0.6 mm allowable tolerance)
• Square Side Length: 75 mm
• Thickness: 4.8 mm (±1 mm allowable 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): 83
• Registration Number: 200909