Feature:
1.High quality carbon steel providing good strength,hardness and abrasion performance.
2.Curved spring washer resist loosening through vibration rely on elastic force.
3.Washers are normally used to distribute loads of threaded bolts.
4.Intended for the general use under the head of a bolt or nut.

Warm tips:
1.Due to manual measurement,there may be a slight error,thank you for your understanding.
2.Monitors are not calibrated same,item color displayed in photos may be showing slightly different from the real object.Please take the real one as standard.