Caleb Components offers both light duty & medium duty serrated safety washers.
To view our light duty (LDS) range, please click here https://springfasteners.co.uk/product-category/disc-springs/light-duty-serrated-safety-washer-lds/
Medium Duty (MDS) range, https://springfasteners.co.uk/product-category/disc-springs/medium-duty-serrated-safety-washer-mds/