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

Square washer plate, made of hot-dip galvanized steel to ensure corrosion resistance. It is primarily used to distribute the fastening load from bolts or nuts over a larger area. This prevents damage to the material being fastened and reduces the likelihood of loosening over time.

• 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 according to IRAM IAS U 500-503 standard
• Surface Protection: Hot-dip galvanized zinc plating according to IRAM 20022 (Annex D)
• Manufacturing Number (MN): 83
• Registration Number: 200909