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

ISO 1721
Rock drilling; Extension drill-steel equipment for percussive long-hole drilling; Reverse-buttress-threaded equipments 1 1/16 and 1 1/4 in (27 and 32 mm)

Title (German)

Gesteinsbohrung; Verlängerungsgestänge zum Langloch-Schlagbohren bohren; Geräte mit umgekehrtem Sägezahngewinde 1 1/16 Zoll und 1 1/4 Zoll (27 und 32 mm)

Responsible national committee

NA 060-15 FBR - Steering Committee of the Section Mining equipment

Responsible international committee

ISO/TC 82 - Mining

Edition 1974-08

Original language English

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Table of contents

Contact

Jörn Lehmann

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60528 Frankfurt am Main

Tel.: +49 69 6603-1134
Fax: +49 69 6603-2134

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Economic benefits

DIN SPEC

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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 1721 Rock drilling; Extension drill-steel equipment for percussive long-hole drilling; Reverse-buttress-threaded equipments 1 1/16 and 1 1/4 in (27 and 32 mm)

Responsible national committee

Responsible international committee

Jörn Lehmann

Want to learn more?

ISO 1721
Rock drilling; Extension drill-steel equipment for percussive long-hole drilling; Reverse-buttress-threaded equipments 1 1/16 and 1 1/4 in (27 and 32 mm)