![]() ![]() ISO 4042:1999, Fasteners一Electroplated coatings. ![]() ISO 3269:2000, Fasteners一Acceptance inspection. ISO 887:2000, Plain washers for metric bolts, screws and nuts for general purposes一General plan. Members of ISO and IEC maintain registers of currently valid International Standards. For undated references, the latest edition of the normative document referred to applies. 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 dated references, subsequent amendments to, or revisions of, any of these publications do not apply. The following normative documents contain provisions which, through reference in this text, constitute provisions of ISO 7091. 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. If dimensions other than those listed in this International Standard are required, they should be selected from those given in ISO 887. 一hexagon nuts of product grade C in property classes up to and including 6 一hexagon bolts and screws of product grade C in property classes up to and including 6.8 Washers of hardness class 100 HV are suitable for 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. ISO 7091:2000 pdf free.Plain washers一Normal series一Product grade C ![]()
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