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IS0
I NTERNATI ON AL ORGANIZATION FOR STAN DARDI ZATl ON
IS0 RECOMMENDATION
R 504
TURNING TOOLS WITH CARBIDE TIPS
DESIGNATION AND MARKING
1st EDITION
October 1966
COPYRIGHT RESERVED
The copyright of IS0 Recommendations and IS0 Standards
belongs to IS0 Member Bodies. Reproduction of these
documents, in any country, may be authorized therefore only
by the national standards organization of that country, being
a member of ISO.
For each individual country the only valid standard is the national standard of that country.
Printed in Switzerland
Also issued in French and Russian. Copies to be obtained through the national standards organizations.
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BRIEF HISTORY
The IS0 Recommendation R 504, Turning Tools with Carbide Tips - Designation and
Marking, was drawn up by Technical Committee ISO/TC 29, Small Tools, the Secretariat of which
is held by the Association Française de Normalisation (AFNOR).
Work on this question by the Technical Committee began in 1955 and led, in 1960, to
the adoption of a Draft IS0 Recommendation.
In April 1964, this Draft IS0 Recommendation (No. 668) was circulated to all the IS0
Meinber Bodies for enquiry. It was approved, subject to a few modifications of an editorial
nature, by the following Member Bodies:
Australia France Portugal
Austria Germany Spain
Belgium Hungary Sweden
Brazil India Switzerland
Canada Italy Turkey
Chile Korea, Rep. of United Kingdom
Colombia Netherlands U.S.A.
Czechoslovakia New Zealand U.S.S.R.
Denmark Poland Yugoslavia
No Member Body opposed the approval of the Draft.
The Draft IS0 Recommendation was then submitted by correspondence to the IS0
Council, which decided, in October 1966, to accept it as an IS0 RECOMMENDATION.
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ISO/R 504 - 1966 (E)
IS0 Recommendation R 504 October 1966
TURNING TOOLS WITH CARBIDE TIPS
DESIGNATION AND MARKING
1. SCOPE
This IS0 Recommendation applies to designation and marking of turning tools with carbide tips,
metric series, covered by IS0 Recommendation R 243 *
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