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Norm
ÖNORM EN ISO 7091
Issue date: 2019 08 15
Plain washers - Normal series - Product grade C (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 threa...
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Publisher:
Austrian Standards International
Format:
Digital | 10 Pages
Language:
German
| English
| Download GER/ENG
Optionally co-design standards:
ICS
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.
lf dimensions other than those listed in this International Standardare 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.
Norm
ISO 887:2000
Issue date :
2000 06 08
Plain washers for metric bolts, screws and nuts for general purposes — General plan
Norm
ISO 6507-1:1997
Issue date :
1997 11 20
Metallic materials — Vickers hardness test — Part 1: Test method
Norm
ISO 10683:2018
Issue date :
2018 08 13
Fasteners — Non-electrolytically applied zinc flake coating systems