M6 ZP Shakeproof Washer (Pack of 40)

These shakeproof washers have internal teeth that lock onto the bearing surface when tightened. This locking action is resistant to loosening from vibration.

• The teeth of the washer cut into either the material the screw is entering, the screw itself or both
• Can be used in items such as washing machines and lawn mowers
• Zinc Plated
• Size: M6