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Screw and washer assemblies made of steel with plain washers. Washer hardness classes 200 HV and 300 HV.

Screw and washer assemblies made of steel with plain washers — Washer hardness classes 200 HV and 300 HV

Overview ISO 10644:2009 specifies requirements for metric screw and plain washer assemblies made of steel where the plain washer is captive (prevented from disassembly but free to rotate). It covers…