Phosphor Bronze Single Coil Square Spring Washers DIN 7980 - M4

Used with threaded fasteners (for example a bolt and a nut), designed to increase the load distribution.

• Single coil square section spring washers have an opened split, which closes once tightened.
• The closing action causes a spring effect, which helps combat vibration.
• Phosphor bronze material offers superb resistance to corrosion.
• Compatible with brass and phosphor bronze fasteners.
• Conforms to DIN 7980.