International Organization for Standardization (ISO)
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ISO 10669:1999
Scope
This International Standard specifies the characteristics of plain steel washers of product grade A for tapping screw and washer assemblies in accordance with ISO 10510.
ISO 10669:1999 history
1999ISO 10669:1999 Plain washers for tapping screw and washer assemblies - Normal and large series - Product grade A