ISO 7092:2000 pdf free
ISO 7092:2000 pdf free.Plain washers一Small series一Product grade A
ISO 7092 specifies the characteristics of small-series, product-grade-A plain washers in the 200 HV and 300 HV hardness classes and of nominal sizes (nominal thread diameters) ranging from 1,6 mm to 36 mm inclusive.
Washers of hardness class 200 HV are suitable for
一cheese head screws in property classes up to and including 8.8, or made of stainless steel;
一hexagon socket head cap screws in property classes up to and including 8.8, or made of stainless steel;
一hexalobular socket head cap screws in property classes up to and including 8.8, or made of stainless steel;
一case-hardened thread rolling screws with cheese heads.
Washers of hardness class 300 HV are suitable for
一hexagon socket head cap screws in property classes up to and including 10.9;
一hexalobular socket head cap screws in property classes up to and including 10.9.
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 7092. 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 possibility 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- Acceptance inspection.
ISO 3506-1:1997, Mechanical properties of corrosion-resistant stainless-steel fasteners一Part 1: Bolts, screws and studs.
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.ISO 7092 pdf download.