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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]

BS 3A 171
Specification for aluminium alloy pan head bolts (Unified threads) for aircraft

Title (German)

Flachkopfbolzen (Unified Gewinde) aus Aluminiumlegierung fuer Flugzeuge. Spezifikation

Edition 1962-11-08

Original language English

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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

BS 3A 171 Specification for aluminium alloy pan head bolts (Unified threads) for aircraft

Want to learn more?

BS 3A 171
Specification for aluminium alloy pan head bolts (Unified threads) for aircraft