Safety Washer "S" is suitable for normal requirements and available for screws from M 1,6 to M 36. Other sizes as well as customized dimensions can be inquired for.Safety Washer "VS" can be used with high-strength bolts of the grade 8,8 without any restrictions. This strengthened safety washer has a greater thickness and for this reason achieves higher pre-tensioning loads. It can be delivered for screws M 5 to M 30.Special sizes are also available upon request.