The 5/8 Rect' Single Coil Extra Duty Spring Washer from the Qualfast product range is designed to provide reliable performance in various applications. Engineered to meet the ASME B18.21.1 standard, these washers ensure optimal load distribution and enhanced fastening integrity. Their robust construction offers superior resilience, making them ideal for use in demanding environments where durability and strength are paramount. By utilising these spring washers, users can achieve improved assembly reliability and reduced risk of loosening, contributing to the overall efficiency and longevity of their projects. Features: Material: Steel Diameter: 1.15in Surface Treatment: Plain Hole Diameter: 0.63in For nom. size: 5/8 Thickness: 0.2in Applications: - Provides reliable locking action in bolted joints to prevent loosening under vibration. - Ideal for use in heavy machinery and automotive applications where durability is essential.