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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]

NF L22-221
Hexagon socket head cap screws without hole for locking wire. ISO thread 4 H class

Title (German)

ZYLINDERSCHRAUBEN MIT INNENSECHSKANT OHNE DRAHTSICHERUNG ISO GEWINDE. TOLERANZKLASSE 4 H

Edition 1983-07-01

Original language French

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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

NF L22-221 Hexagon socket head cap screws without hole for locking wire. ISO thread 4 H class

Want to learn more?

NF L22-221
Hexagon socket head cap screws without hole for locking wire. ISO thread 4 H class