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. ICS 21.060.10 ISBN 0-626-14393-4 SANS 1700-3-4:2003 Edition 2 ISO 885:2000 Edition 2 SOUTH AFRICAN NATIONAL STANDARD Fasteners Part 3: Forms, dimensions
4、and designations Section 4: General purpose bolts and screws Metric series Radii under the head This national standard is the identical implementation of ISO 885:2000 and is adopted with the permission of the International Organization for Standardisation. Published by Standards South Africa 1 dr la
5、tegan road groenkloof private bag x191 pretoria 0001 tel: 012 428 7911 fax: 012 344 1568 international code + 27 12 www.stansa.co.za Standards South Africa 2003 SANS 1700-3-4:2003 Edition 2 ISO 885:2000 Edition 2 Table of changes Change No. Date Scope National foreword This South African standard wa
6、s approved by National Committee STANSA TC 5120.01, Screw threads and fasteners, in accordance with procedures of Standards South Africa, in compliance with annex 3 of the WTO/TBT agreement. This SANS edition cancels and replaces the first SABS edition (SABS 1700-3-4:1996). Reference numberISO 885:2
7、000(E)ISO 2000INTERNATIONALSTANDARDISO885Second edition2000-03-01General purpose bolts and screws Metricseries Radii under the headVis dapplicatiion gnrale Srie mtrique Rayon darrondi sous tteISO 885:2000(E)PDF disclaimerThis PDF file may contain embedded typefaces. In accordance with Adobes licensi
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12、 + 41 22 734 10 79E-mail copyrightiso.chWeb www.iso.chPrinted in Switzerlandii ISO 2000 All rights reservedISO 885:2000(E) ISO 2000 All rights reserved iiiForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISOmember bodies). The w
13、ork of preparing International Standards is normally carried out through ISO technicalcommittees. Each member body interested in a subject for which a technical committee has been established hasthe right to be represented on that committee. International organizations, governmental and non-governme
14、ntal, inliaison with ISO, also take part in the work. ISO collaborates closely with the International ElectrotechnicalCommission (IEC) on all matters of electrotechnical standardization.International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3.Draft Int
15、ernational Standards adopted by the technical committees are circulated to the member bodies for voting.Publication as an International 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 Internationa
16、l Standard may be the subject ofpatent rights. ISO shall not be held responsible for identifying any or all such patent rights.International Standard ISO 885 was prepared by Technical Committee ISO/TC 2, Fasteners, Subcommittee SC 7,Reference Standards for fasteners (mainly covering terminology, dim
17、ensioning, sizes and tolerancing).This second edition cancels and replaces the first edition (ISO 885:1976), which has been technically revised.This page is intentionally left blankINTERNATIONAL STANDARD ISO 885:2000(E) ISO 2000 All rights reserved 1General purpose bolts and screws Metric series Rad
18、iiunder the head1 ScopeThis International Standard specifies the sizes of the radii under the head and the transition diameters of metricseries general purpose bolts and screws.2 DimensionsSee Figure 1 and Table 1.Figure 1ISO 885:2000(E)2 ISO 2000 All rights reservedTable 1 Dimensions rminand da, ma
19、xDimensions in millimetresThreaddiameterRadiusrminTransition diameterada, maxThreaddiameterRadiusrminTransition diameterada, maxd product gradesA, B and CproductgradesA and Bproduct gradeCd product gradesA, B and CproductgradesA and Bproduct gradeC1,6 0,1 2 39 1 42,4 45,42 0,1 2,6 42 1,2 45,6 48,62,
20、2 0,1 2,8 45 1,2 48,6 52,62,5 0,1 3,1 48 1,6 52,6 56,63 0,1 3,6 52 1,6 56,6 62,63,5 0,1 4,1 56 2 63 674 0,2 4,7 60 2 67 714,5 0,2 5,2 64 2 71 755 0,2 5,7 6 68 2 75 796 0,25 6,8 7,2 72 2 79 837 0,25 7,8 8,2 76 2 83 878 0,4 9,2 10,2 80 2 87 9210 0,4 11,2 12,2 85 2 92 9712 0,6 13,7 14,7 90 2,5 97 10214
21、 0,6 15,7 16,7 95 2,5 102 10816 0,6 17,7 18,7 100 2,5 108 11318 0,6 20,2 21,2 105 2,5 113 11820 0,8 22,4 24,4 110 2,5 118 12322 0,8 24,4 26,4 115 2,5 123 12824 0,8 26,4 28,4 120 2,5 128 13327 1 30,4 32,4 125 2,5 133 13830 1 33,4 35,4 130 2,5 138 14533 1 36,4 38,4 140 2,5 148 15636 1 39,4 42,4 150 2,5 159 166aThe transition diameter dais the diameter of the circle formed at the junction of the radius r and the bearing surface of the head.
