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BSI
BS EN ISO 7091:2000

BS EN ISO 7091:2000

Current

Current

The latest, up-to-date edition.

Plain washers. Normal series. Product grade C

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

24-06-2021

Publisher

British Standards Institution

Defines 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: hexagon nuts of product grade C in property classes up to and including 6; hexagonal bolts and screws of product grade C in property classes up to and including 6,8; case-hardened thread rolling screws. If dimensions other than those listed in this Standard are required, they should be selected from those given in ISO 887. When large clearance holes in the workpiece are used or soft material pieces are clamped, the user should check the technical suitability of this type of washer.

This International Standard 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 1,6mm to 64mm inclusive.

Washers of hardness class 100 HV are suitable for

  • hexagon bolts and screws of product grade C in property classes up to and including 6.8;

  • hexagon nuts of product grade C in property classes up to and including 6;

  • 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 ISO887.

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.

Committee
FME/9
DevelopmentNote
Reviewed and confirmed by BSI, September 2006. (09/2006)
DocumentType
Standard
Pages
14
PublisherName
British Standards Institution
Status
Current
Supersedes

BS 7419:2012 Specification for holding down bolts
BS 5950-2:2001 STRUCTURAL USE OF STEELWORK IN BUILDING - PART 2: SPECIFICATION FOR MATERIALS, FABRICATION AND ERECTION - ROLLED AND WELDED SECTIONS
12/30258706 DC : 0 BS 7419 - SPECIFICATION FOR HOLDING DOWN BOLTS

ISO 6507-1:2005 Metallic materials Vickers hardness test Part 1: Test method
ISO 10683:2014 Fasteners Non-electrolytically applied zinc flake coatings
ISO 4759-3:2016 Tolerances for fasteners Part 3: Washers for bolts, screws and nuts Product grades A, C and F
ISO 4042:1999 Fasteners Electroplated coatings
ISO 887:2000 Plain washers for metric bolts, screws and nuts for general purposes General plan
ISO 3269:2000 Fasteners Acceptance inspection

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Hardcopy - English
PDF - English
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