SVENSK STANDARD SS-ISO 8734

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SIS - Standardiseringskommissionen i Sverige Handläggande organ SMS, SVERIGES MEKANSTANDARDISERING SVENSK STANDARD SS-ISO 8734 Fastställd Utgåva Sida Registering 1992-11-16 1 1 (1+8) SMS reg 27.

1 SIS - Standardiseringskommissionen i Sverige Handläggande organ SMS, SVERIGES MEKANSTANDARDISERING SVENSK STANDARD SS-ISO 8734 Fastställd Utgåva Sida Registering (1+8) SMS reg SIS FASTSTÄLLER OCH UTGER SVENSK STANDARD SAMT SÄLJER NATIONELLA OCH INTERNATIONELLA STANDARDPUBLIKATIONER Fästelement Pinnar Härdade cylindriska pinnar Parallel pins, hardened (Dowel pins) Den internationella standarden ISO 8734:1987 gäller som svensk standard. Detta dokument innehåller den officiella engelska versionen av ISO 8734:1987. Standarden har även fastställts som europastandard EN :1992 och svensk standard SS-EN ISO 8734:1987 är under revidering inom ISO. Standarden bör därför användas med viss försiktighet. Standarden ersätter SMS Motsvarigheten och aktualiteten i svensk standard till de publikationer som omnämns i denna standard framgår av Katalog över svensk standard, som årligen ges ut av SIS. I katalogen redovisas internationella och europeiska standarder som fastställts som svenska standarder och övriga gällande svenska standarder. The International Standard ISO 8734:1987 has the status of a Swedish Standard, This document contains the official English version of ISO This standard has also been accepted as European Standard EN and Swedish Standard SS-EN The International Standard ISO 8734:1987 is under revision. This standard should therefore be used with caution. This standard supersedes the Swedish Standard SMS Swedish Standards corresponding to documents referred to in this Standard are listed in Catalogue of Swedish Standards, annually issued by SIS. The Catalogue lists, with reference number and year of Swedish approval, International and European Standards approved as Swedish Standards as well as other Swedish Standards. Standarder kan beställas hos SIS som även Iämnar all- Upplysningar om sakinnehållet i standarden Iämnas av SMS. männa upplysningar om svensk och utländsk standard. Telefon: Telefax: Postadress: SIS, Box 3295, STOCKHOLM Telefon; Telefax: Prisgrupp H Tryckt i januari 1993

INTERNATIONAL STANDARD ISO 8734 First edition 1987-12-01 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION ORGANISATION

2 INTERNATIONAL STANDARD ISO 8734 First edition INTERNATIONAL ORGANIZATION FOR STANDARDIZATION ORGANISATION INTERNATIONAL DE NORMALISATION Parallel pins, hardened (Dowel pins) Goupilles cylindriques trempées Reference number ISO 8734:1987 (E)

3 Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established 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 ISO Council. They are approved in accordance with ISO procedures requiring at least 75 % approval by the member bodies voting. International Standard ISO 8734 was prepared by Technical Committee lso/tc 2, Fasteners. Users should note that all International Standards undergo revision from time to time and that any reference made herein to any other International Standard implies its latest edition, unless otherwise stated. International Organization for Standardization, 1987 Printed in Switzerland

4 INTERNATIONAL STANDARD ISO 8734 :1987 (E) Parallel pins, hardened (Dowel pins) 1 Scope and field of application This International Standard specifies the characteristics of through hardened and case hardened parallel pins (dowel pins) with metric dimensions and nominal diameters, d, from 1 to 20 mm inclusive. 2 References ISO 3269, Fasteners Acceptance inspection. ISO 4520, Chromate conversion coatings on electroplated zinc and cadmium coatings. 1

5 ISO 8734:1987 (E) 3 Dimensions Surface roughness values in micrometres Type A Pin with crown, through hardened Type B Flat pin, case hardened Optional end shape for both pin types at the manufakturer s discretion r dimension replacing a. Dimensions in millimutres 1) Other tolerances as agreed between customer and supplier, 2) For nominal Iengths above 100 mm, steps of 20 mm. 2

6 ISO 8734:1987 (E) 4 Specifications and reference International Standards 1) Other materials as agreed between customer and supplier, 5 Designation Example for the designation of a through hardened steel parallel pin type A, with nominal diameter d = 6 mm and nominal length l = 30 mm: Parallel pin ISO x 30- A - St 3

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