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Norm
ÖNORM EN ISO 4757
Issue date: 1994 10 01
Cross recesses for screws (ISO 4757:1983)
This International Standard defines two types of cross recesses for screws:
- recess type H;
- recess type Z.
Included in this International Standard is a method of pe...
Valid
Publisher:
Austrian Standards International
Format:
Digital | 10 Pages
Language:
German
| English
| Download GER/ENG
Optionally co-design standards:
ICS
This International Standard defines two types of cross recesses for screws:
- recess type H;
- recess type Z.
Included in this International Standard is a method of penetration gauging for both types.
