ISO 723:1974

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INTERNATIONAL STANDARD @ 723
INTERNATIONAL ORGANIZATION FOR STANDARDIZATION .MEX,!lYHAPOnHAR OPrAHMlAUMR no CTAHnAPTM3AUMM -ORGANISATION INTERNATIONALE DE NORMALISATION
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Rock drilling - Forged collared shanks and chuck bushings
for hollow hexagonal drill-steels
Forage des roches - Emmanchements à collerette forgée et douilles porte-outils pour profilé hexagonal creux en acier
First edition - 1974-06-15
UDC 622.233.059 Ref. No. IS0 723-1974 (E)
Descripton : mining, drilling equipment, drilling stem, bushings.
Price based on 4 pages

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FOREWORD
IS0 (the International Organization for Standardization) is a worldwide federation
of national standards institutes (IS0 Member Bodies). The work of developing
International Standards is carried out through IS0 Technical Committees. Every
Member Body interested in a subject for which a Technical Committee has been set
up has the right to be represented on that Committee. International organizations,
governmental and non-governmental, in liaison with ISO, also take part in the work.
Draft International Standards adopted by the Technical Committees are circulated
to the Member Bodies for approval before their acceptance as International
Standards by the IS0 Council.
the Technical Committees were published
Prior to 1972, the results of the work of
as IS0 Recommendations; these documents are now in the process of being
transformed into International Standards. As part of this process, Technical
Committee ISO/TC82 has reviewed IS0 Recommendation R 723 and found it
suitable for transformation. International Standard IS0 723 therefore replaces
IS0 Recommendation R 723-1968.
IS0 Recommendation R 723 was approved by the Member Bodies of the following
countries :
Hungary South Africa, Rep. of
Australia
Belgium India Spain
Brazil Japan Sweden
Korea, Rep. of Turkey
Chile
Czechoslovakia Netherlands United Kingdom
Egypt, Arab Rep. of New Zealand Yugoslavia
France Poland
Germany Portugal
The Member Body of the following country expressed disapproval of the
Recommendation on technical grounds :
U.S.S.R.
The Member Body of the following country disapproved the transformation of
ISO/R 723 into an International Standard :
Canada
O International Organization for Standardization, 1974
Printed in Switzerland

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INTERNATIONAL STANDARD IS0 723-1974 (E)
Rock drilling - Forged collared shanks and chuck bushings
for hollow hexagonal drill-steels
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1 SCOPE AND FIELD OF APPLICATION
This International Standard fixes the dimensions of forged collared shanks and chuck bushings for hollow hexagonal
drill-steels used for rock drilling.
1

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IS0 723-1974
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