Contact Spring Washer Size 10 mm Thickness 1.6 mm NF25511 Standard | AOBSCO

The Contact Spring Washer serrated, manufactured by AOBSCO, is made from high-quality steel featuring a ribbed conical design. It provides a 360-degree locking force beneath screw heads or nuts to prevent loosening caused by pressure and vibrations. Ideal for various construction materials and building supplies across Saudi Arabia.

• Size: 10 mm (M10)
• Thickness: 1.6 mm
• Outer diameter (d2): 22 mm
• Height (h): 2.75 mm
• Standard: NF25511
• Material: High-quality steel
• Surface: Serrated ribbed conical design
• Primary use: Prevents loosening of screws and nuts under pressure and vibration