ISO-7050-1983.pdf
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1、International Standard INTERNATIONAL ORGANIZATION FOR STANDARDIZATIONMEXQYHAPOnHAR OPTAHH3AUHR DO CTAHILAFTH3AUWl.ORGANlSATlON INTERNATIONALE DE NORMALISATION Cross recessed countersunk (flat) head tapping screws (common head style) Vis B Wle t) t&e fraist!e t) empreinte cruciforme First edition - 1
2、983-09-15 UDC 621 B82.216.5.082.8 Descriptors : fasteners, screws, countersunk head screws, dimensions, designation. Ref. No. IS0 ?l50-1983 (E) Price based on 4 pages Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9
3、972545001 Not for Resale, 04/27/2007 22:11:43 MDTNo reproduction or networking permitted without license from IHS -,-,- Foreword IS0 (the international Organization for Standardization) is a worldwide federation of national standards bodies (IS0 member bodies). The work of developing International S
4、tandards is carried out through IS0 technical committees. Every member body interested in a subject for which a technical committee has been authorized has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take pa
5、rt 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. International Standard IS0 7050 was developed by Technical Committee ISO/TC 2, Fasteners, and was
6、circulated to the member bodies in December WI. It has been approved by the member bodies of the following countries: Australia Austria Belgium China Czechoslovakia Denmark Egypt, Arab Rep. Finland of Germany, F.R, New Zealand Hungary Norway India Romania Ireland South Africa, Rep. of Japan Spain Ko
7、rea, Dem, P. Rep. of Sri Lanka Korea, Rep. of Sweden Mexico Switzerland Netherlands USA The member bodies of the following countries expressed disapproval of the document on technical grounds: Italy Poland United Kingdom USSR 0 International Organization for Standardization, 1993 l Printed in Switze
8、rland Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/27/2007 22:11:43 MDTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL STANDARD IS0 7050-1983 (E)
9、Cross recessed countersunk (flat) head tapping screws (common head style) 1 Scope and field of application This International Standard specifies the characteristics of cross recessed countersunk (flat) head tapping screws with thread sizes from ST 2,2 to ST 9,5 inclusive. 2 References IS0 225, Faste
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