Contact Spring Washer Size 12 mm Thickness 1.8 mm NF25511 Standard | AOBSCO

Contact Spring Washer Size 12 mm Thickness 1.8 mm NF25511 Standard, manufactured by AOBSCO. Made from high-quality materials, this washer features a ribbed conical top surface that provides 360-degree locking force beneath the screw head or nut, preventing loosening caused by torque, pressure, and vibration. Perfect for construction materials and building supplies in Saudi Arabia, ensuring reliable fastening in various assembly applications.

• Size: M12 (12 mm)
• Outer diameter (d2): 27 mm
• Height (h) from highest to lowest point: 3.1 mm
• Thickness: 1.8 mm
• Standard: NF25511
• Ribbed conical top surface for enhanced locking
• Prevents loosening due to torque, pressure, and vibration
• Suitable for diverse construction and industrial uses