DIN 125 Washers with a hardness up

DIN 125 Washers with a hardness up

This standard specifies requirements for product grade A washers with a hardness up to 250 HV,designed for use with bolts of property class 8.8 or less. Thepreferred application of these washers is in product grades Aand B hexagon head bolt/hexagon nut assemblies,with widths across flats as specified in ISO 272. Note.The washer hardness shall be selected as a function of the assumed bearing pressure In the bolted assembly.