A4-316 St/St 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.

• Square section spring washers have an opened split, which closes once tightened.
• The closing action causes a spring effect, which helps combat vibration.
• A4 - 316 stainless steel material, offering superb resistance to corrosion. Ideal for marine applications.
• Conforms to DIN 7980.