1、CEN EN*E!bL57-3 91 E 3404589 0039730 4 E k$ D. I . z * EUROPEAN STANDARD NORME EUROPEENNE EN 26157-1 : 1991 EUROPAISCHE NORM October 1991 UDC 621.882.2:620.191 Descriptors : Fasteners, bolts, screws, studs, surface defects English version Fasteners - Surface discontinuities - Part 1: Bolts, screws a
2、nd studs for general requirements (IS0 6157-1:19881 Elements de fixation - Defauts de surface - Partie 1: Boulons, vis et Oberflchenfehler - Teil 1: goujons dusage gnral (IS0 Schrauben fr allgemeine Anforderungen Verbindungselemente - 6157-1:1988) (IS0 6157-1:1988) This European Standard was approve
3、d by CEN on 1991-10-10 and is identical to the IS0 standard as referred to. CEN members are bound to comply with the CENICENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and biblio
4、graphical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of
5、a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, S
6、pain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europeen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels (cl CEN 1991 Copyright reserved to all CEN members Ref. No, EN 26157-1:1991 E CEN EN*ZbL57-
7、L 71 6 3404589 OOL73L b Page 2 EN 26157-1:1991 In 1990, IS0 6157-1:1988 was submitted to the CEN P.Q.-procedure. Following the positive result of the P.Q., CEN/BT agreed to submit IS0 6157-1:1988 with the following modifications to Formal Vote. In the French version, replace : - “boulon by “vis, - b
8、oulon, vis by “vis. In accordance with the Common CENICENELEC Rules, the following countries are bound to implement this European Standard : Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. The text of the International Standard IS0 6157-1:1988 was approved by CEN as a European Standard with agreed common modifications as given above.
