This standard BS EN ISO 7093-2 specifies the characteristics of plain washers, large series, product grade A, with hardness grades 200 HV and 300 HV, nominal sizes (nominal thread diameter) from 3 mm to 36 mm.

This standard DIN 7093-2 specifies the characteristics of plain washers, large series, product grade C, with hardness grade 100 HV and nominal sizes (nominal thread diameter) from 3 mm to 36 mm.