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BSI BS EN ISO 7091:2000

Plain washers. Normal series. Product grade C
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BSI BS EN ISO 7091:2000

Plain washers. Normal series. Product grade C

PUBLISH DATE 2021
PAGES 14
BSI BS EN ISO 7091:2000

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 1,6 mm to 64 mm 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 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.

SDO BSI: British Standards Institution
Document Number ISO 7091
Publication Date June 24, 2021
Language en - English
Page Count 14
Revision Level
Supercedes
Committee FME/9
Publish Date Document Id Type View
Sept. 15, 2000 BS EN ISO 7091:2000 Revision
June 24, 2021 BS EN ISO 7091:2000 Consolidated