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ISO 7091:2000 pdf free

ISO 7091:2000 pdf free.Plain washers一Normal series一Product grade C
ISO 7091 specifies the characteristics of normal-series, product-grade-C plain washers in the 100 HV hardness class and of nominal sizes (nominal thread diameters) ranging from 1,6 mm to 64 mm inclusive.
Washers of hardness class 100 HV are suitable for
一hexagon bolts and screws of product grade C in property classes up to and including 6.8;
一hexagon nuts of product grade C in property classes up to and including 6;
一case-hardened thread rolling screws.
If dimensions other than those listed in this International Standard are required, they should be selected from those given in ISO 887.
When soft material pieces are clamped, or large clearance holes in the workpiece are used, the user should check the technical suitability of this type of washer.
The following normative documents contain provisions which, through reference in this text, constitute provisions of ISO 7091. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this International Standard are encouraged to investigate the posibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards.
ISO 887:2000, Plain washers for metric bolts, screws and nuts for general purposes一General plan.
ISO 3269:2000, Fasteners一Acceptance inspection.
ISO 4042:1999, Fasteners一Electroplated coatings.
ISO 4759-3:2000, Tolerances for fasteners一Part 3: Plain washers for bolts, screws and nuts一Product grades A and C.
ISO 6507-1:1997, Metallic materials一Vickers hardness test一Part 1: Test method.
ISO 10683-1), Fasteners 一Non-electrolytically applied zinc flake coatings.
Attention is drawn to the possibility that some of the elements of this International Standard may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights.
This second edition cancels and replaces the first edition (ISO 7091:1983), which has been technically revised.ISO 7091 pdf download.

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