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ISO 10644:2009

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

Publication date:   Jun 16, 2009

General information

90.93 Standard confirmed   Jul 10, 2024

ISO

ISO/TC 2/SC 11 Fasteners with metric external thread

International Standard

21.060.30   Washers, locking elements

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Scope

ISO 10644:2009 specifies the requirements for metric screw and plain washer assemblies made of steel with coarse thread M2 to M12 inclusive, flat seating heads, property classes up to and including 10.9 and washer hardness classes 200 HV or 300 HV. The plain washers are captive, i.e. prevented from disassembly and free to rotate.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 10644:1998

NOW

PUBLISHED
ISO 10644:2009
90.93 Standard confirmed
Jul 10, 2024