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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

ISO 7721
Countersunk head screws; Head configuration and gauging

Title (German)

Senkschrauben; Gestaltung und Prüfung von Senkköpfen

Responsible national committee

NA 067-00-02 AA - Fasteners with metric external thread

Responsible international committee

ISO/TC 2/SC 11 - Fasteners with metric external thread

Edition 1983-09

Original language English

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Table of contents

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Dipl.-Ing.

Torsten Diether

Am DIN-Platz, Burggrafenstr. 6
10787 Berlin

Tel.: +49 30 2601-2357
Fax: +49 30 2601-42357

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Terminology

Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

ISO 7721 Countersunk head screws; Head configuration and gauging

Responsible national committee

Responsible international committee

Torsten Diether

Want to learn more?

ISO 7721
Countersunk head screws; Head configuration and gauging