1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA
2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any
3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ISBN 978-0-626-22518-6 SANS 1700-12-3:2009Edition 2 ISO 4027:2003Edition 3SOUTH AFRICAN NATIONAL STANDARD Fasteners Part 12: Set screws Section 3: Hexago
4、n socket set screws with cone point This national standard is the identical implementation of ISO 4027:2003 and is adopted with the permission of the International Organization for Standardization. Published by SABS Standards Division 1 Dr Lategan Road Groenkloof Private Bag X191 Pretoria 0001Tel: +
5、27 12 428 7911 Fax: +27 12 344 1568 www.sabs.co.za SABS SANS 1700-12-3:2009 Edition 2 ISO 4027:2003 Edition 3 Table of changes Change No. Date Scope National foreword This South African standard was approved by National Committee SABS TC 2, Screw threads and fasteners, in accordance with procedures
6、of the SABS Standards Division, in compliance with annex 3 of the WTO/TBT agreement. This SANS document was published in May 2009. The SANS document supersedes SABS 1700-12-3:1996 (first edition). INTERNATIONALSTANDARDISO4027Third edition2003-12-01Reference numberISO 4027:2003(E) ISO 2003Hexagon soc
7、ket set screws with cone pointVis sans tte six pans creux, bout tronconiqueSANS1700-12-3:2009This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .ISO 4027:2003(E)ii ISO 2003 All rights reservedPDF disclaimerThis PDF file may contain embedded typef
8、aces. In accordance with Adobes licensing policy, this file may be printed or viewed but shallnot be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. Indownloading this file, parties accept therein the responsibility of not infringi
9、ng Adobes licensing policy. The ISO Central Secretariataccepts no liability in this area.Adobe is a trademark of Adobe Systems Incorporated.Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creationparameters were optimized f
10、or printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In theunlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ISO 2003All rights reserved. Unless otherwise specified, no part of
11、this publication may be reproduced or utilized in any form or by any means,electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below orISOs member body in the country of the requester.ISO copyright officeCase postale 56 CH-1211
12、 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 749 09 47E-mail copyrightiso.orgWeb www.iso.orgPublished in SwitzerlandSANS1700-12-3:2009This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .ISO 4027:2003(E) ISO 2003 All rights reserved iiiForewordISO
13、(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 ISOtechnical committees. Each member body interested in a subject for which a technical commit
14、tee has beenestablished has the right to be represented on that committee. International organizations, governmental andnon-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the InternationalElectrotechnical Commission (IEC) on all matters of electrotechnic
15、al standardization.International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.The main task of technical committees is to prepare International Standards. Draft International Standardsadopted by the technical committees are circulated to the member bodie
16、s for voting. Publication as anInternational Standard requires approval by at least 75 % of the member bodies casting a vote.Attention is drawn to the possibility that some of the elements of this document may be the subject of patentrights. ISO shall not be held responsible for identifying any or a
17、ll such patent rights.ISO 4027 was prepared by Technical Committee ISO/TC 2, Fasteners.This third edition cancels and replaces the second edition (ISO 4027:1993), which has been technically revised.SANS1700-12-3:2009This s tandard may only be used and printed by approved subscription and freemailing
18、 clients of the SABS .ivSANS1700-12-3:2009This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .INTERNATIONAL STANDARD ISO 4027:2003(E) ISO 2003 All rights reserved 1Hexagon socket set screws with cone point1ScopeThis International Standard specifi
19、es the characteristics of hexagon socket set screws with cone point andthreads from M1,6 up to and including M24 and of product grade A.If, in special cases, specifications other than those listed in this International Standard are required, they shouldbe selected from existing International Standar
20、ds, e.g. ISO 261, ISO 898-5, ISO 965-2, ISO 3506-3 andISO 4759-1.2 Normative referencesThe following referenced documents are indispensable for the application of this document. For datedreferences, only the edition cited applies. For undated references, the latest edition of the referenced document
21、(including any amendments) applies.ISO 225, Fasteners Bolts, screws, studs and nuts Symbols and designations of dimensionsISO 261, ISO general-purpose metric screw threads General planISO 898-5, Mechanical properties of fasteners made of carbon steel and alloy steel Part 5: Set screws andsimilar thr
22、eaded fasteners not under tensile stressesISO 965-2, ISO general purpose metric screw threads Tolerances Part 2: Limits of sizes for generalpurpose external and internal screw threads Medium qualityISO 965-3, ISO general purpose metric screw threads Tolerances Part 3: Deviations for constructionalsc
23、rew threadsISO 3269, Fasteners Acceptance inspectionISO 3506-3, Mechanical properties of corrosion-resistant stainless-steel fasteners Part 3: Set screws andsimilar fasteners not under tensile stressISO 4042, Fasteners Electroplated coatingsISO 4759-1, Tolerances for fasteners Part 1: Bolts, screws,
24、 studs and nuts Product grades A, B and CISO 6157-1, Fasteners Surface discontinuities Part 1: Bolts, screws and studs for general requirementsISO 8839, Mechanical properties of fasteners Bolts, screws, studs and nuts made of non-ferrous metalsISO 8992, Fasteners General requirements for bolts, scre
25、ws, studs and nutsISO 10683, Fasteners Non-electrolytically applied zinc flake coatingsISO 23429, Gauging of hexagon socketsSANS1700-12-3:2009This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .ISO 4027:2003(E)2 ISO 2003 All rights reserved3 Dime
26、nsionsSee Figure 1 and Table 1.Symbols and designations of dimensions are specified in ISO 225.Permissible alternative form of socketFor broached sockets which are at the maximum limitof size, the overcut resulting from drilling shall notexceed of the length of any flat of the socket whichis .aThe a
27、ngle is a requirement for short-length screws of nominal length , situated in the shaded areas in Table 1.bThe angle applies only to the portion of the point situated below the root diameter of the thread, and shall be fornominal lengths situated in the shaded areas in Table 1 and for all other leng
28、ths.cIncomplete thread .dA slight rounding or countersink at the mouth of the socket is permissible.Figure 11/3e/2120l 12090u2PSANS1700-12-3:2009This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .ISO 4027:2003(E) ISO 2003 All rights reserved 3Ta
29、ble 1 DimensionsDimensions in millimetresThread ( ) M1,6 M2 M2,5 M3 M4 M5 M6 M8 M10 M12 M16 M20 M24a0,35 0,4 0,45 0,5 0,7 0,8 1 1,25 1,5 1,75 2 2,5 3max. 0,4 0,5 0,65 0,75 1 1,25 1,5 2 2,5 3 4 5 6Minor thread diameterb, cmin. 0,809 1,011 1,454 1,733 2,303 2,873 3,443 4,583 5,723 6,863 9,149 11,429 1
30、3,716cnom. 0,7 0,9 1,3 1,5 2 2,5 3 4 5 6 8 10 12max. 0,724 0,913 1,300 1,58 2,08 2,58 3,08 4,095 5,14 6,14 8,175 10,175 12,212min. 0,710 0,887 1,275 1,52 2,02 2,52 3,02 4,020 5,02 6,02 8,025 10,025 12,032min.d0,70,81,21,21,522344,86,48 10e1,5 1,7 2 2 2,5 3 3,5 5 6 8 10 12 15Approximate mass, in kilo
31、grams per 1 000 pieces ( ) (for information only)nom. min. max.2 1,8 2,2 0,021 0,0292,5 2,3 2,7 0,025 0,037 0,0633 2,8 3,2 0,029 0,044 0,075 0,094 3,76 4,24 0,037 0,059 0,1 0,13 0,185 4,76 5,24 0,046 0,074 0,125 0,17 0,26 0,376 5,76 6,24 0,054 0,089 0,15 0,21 0,34 0,49 0,698 7,71 8,29 0,07 0,119 0,1
32、99 0,29 0,5 0,73 1,04 1,7210 9,71 10,29 0,148 0,249 0,37 0,66 0,97 1,39 2,35 3,4112 11,65 12,35 0,299 0,45 0,82 1,21 1,74 2,98 4,42 6,116 15,65 16,35 0,61 1,14 1,69 2,44 4,24 6,43 8,9 14,920 19,58 20,42 1,46 2,17 3,14 5,5 8,44 11,7 20,1 30,425 24,58 25,42 2,77 4,02 7,08 10,9 15,3 26,6 40,7 54,230 29
33、,58 30,42 4,89 8,65 13,5 18,8 33,1 51 68,735 34,5 35,5 10,2 16 22,3 39,6 61,3 83,240 39,5 40,5 11,8 18,5 25,8 46,1 71,6 97,745 44,5 45,5 21 29,3 52,6 81,9 11250 49,5 50,5 23,5 32,8 59,1 92,2 12755 54,4 55,6 36,3 65,6 103 14160 59,4 60,6 39,8 72,2 113 156NOTE Commercial lengths are those between the
34、bold stepped lines.ais the pitch of the thread.b.cCombined gauging of socket dimensions and , see ISO 23429.dFor screws with nominal lengths in the shaded areas.eFor screws with nominal lengths below the shaded areas.dPdtdfestl = 7,85 kg/dm3Pemin= 1,14 sminesSANS1700-12-3:2009This s tandard may only
35、 be used and printed by approved subscription and freemailing clients of the SABS .ISO 4027:2003(E)4 ISO 2003 All rights reserved4 Requirements and reference International StandardsSee Table 2.5 DesignationEXAMPLE A hexagon socket set screw with cone point, thread M6, nominal length and of property
36、class 45H,is designated as follows:Hexagon socket set screw ISO 4027 - M6 12 - 45HTable 2 Specifications and reference International StandardsMaterial Steel Stainless steel Non-ferrous metalGeneral requirements International Standard ISO 8992ThreadToleranceInternational Standards ISO 261, ISO 965-2,
37、 ISO 965-3Mechanical propertiesProperty class 45HA1-12H, A2-21H, A3-21H, A4-21H, A5-21HAs agreedInternational Standards ISO 898-5 ISO 3506-3 ISO 8839TolerancesProduct grade AInternational Standard ISO 4759-1FinishAs processed Plain PlainRequirements for electroplating are covered in ISO 4042.Require
38、ments for electroplating are covered in ISO 4042.Requirements for non-electrolytically applied zinc flake coatings are covered in ISO 10683.Surface discontinuitiesLimits for surface discontinuities are covered in ISO 6157-1.Acceptability For acceptance procedure, see ISO 3269.6gl = 12 mmSANS1700-12-
39、3:2009 SABSThis s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .SABS Standards Division The objective of the SABS Standards Division is to develop, promote and maintain South African National Standards. This objective is incorporated in the Standa
40、rds Act, 2008 (Act No. 8 of 2008). Amendments and Revisions South African National Standards are updated by amendment or revision. Users of South African National Standards should ensure that they possess the latest amendments or editions. The SABS continuously strives to improve the quality of its
41、products and services and would therefore be grateful if anyone finding an inaccuracy or ambiguity while using this standard would inform the secretary of the technical committee responsible, the identity of which can be found in the foreword. Tel: +27 (0) 12 428 6666 Fax: +27 (0) 12 428 6928 The SA
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44、andards The Standards Information Centre provides a wide range of standards-related information on both national and international standards, and is the official WTO/TBT enquiry point for South Africa. The Centre also offers an individual updating service called INFOPLUS, which ensures that subscrib
45、ers automatically receive notification regarding amendments to, and revisions of, international standards. Tel: +27 (0) 12 428 6666 Fax: +27 (0) 12 428 6928 E-mail: infosabs.co.za Copyright The copyright in a South African National Standard or any other publication published by the SABS Standards Di
46、vision vests in the SABS. Unless exemption has been granted, no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means without prior written permission from the SABS Standards Division. This does not preclude the free use, in the course of implementing the
47、 standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any purpose other than implementation, prior written permission must be obtained. Details and advice can be obtained from the Senior Manager. Tel: +27 (0) 12 428 6666 Fax: +27 (0) 12 428 6928 E-mail: infosabs.co.za SANS1700-12-3:2009This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .
