
Plain washers for screw and washer assemblies - Small, normal and large series - Product grade A
出版:Japanese Standards Association

專家解讀視頻
This Standard specifies the characteristics of plain steel washers in small, normal and large series of product grade A with hardness classes 200 HV and 300 HV used for screw and washer assemblies according to JIS B 1130.
ISO 10673:1998 - Identical