You can purchase Medium Duty & Light Duty Serrated Safety Washers at Caleb Components.
Material: Carbon Steel
Phos/oil finish
These are offered in the more popular light duty as well as medium duty types. With serrations on both surfaces, they help grip on to the mating surfaces whilst under pressure through tightening. These parts are particularly useful for high vibration components for example washing machines, electric drills etc.
Why not check out our online range…
MEDIUM DUTY SERRATED SAFETY WASHERS – https://springfasteners.co.uk/product-category/disc-springs/medium-duty-serrated-safety-washer-mds/
LIGHT DUTY SERRATED SAFETY WASHERS – https://springfasteners.co.uk/product-category/disc-springs/light-duty-serrated-safety-washer-lds/