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It defines the scope and normative references, then sets terms and definitions for features, dimensioning lines, dimensions, and dimension arrangement. The document establishes principles for dimensioning and tolerance indication, including positioning, units, and key dimensioning elements such as dimension lines, terminators and origin indication, extension lines, leader lines, and dimensional values.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":40,"@type":76,"position":81},"https://docshare.wps.com/document/research-report/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/iso-129-1-technical-drawings-indication-of-dimensions-and-tolerances-part-1-general-principles/648542/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/iso-129-1-technical-drawings-indication-of-dimensions-and-tolerances-part-1-general-principles/648542.png","ImageObject",300,407,{"name":92,"@type":93},"BigDaveOnline","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-26","2026-10-23",true,{"@type":102,"interactionType":103,"userInteractionCount":81},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What standard does BS ISO 129-1:2004 implement in the UK?","Question",{"text":112,"@type":113},"BS ISO 129-1:2004 reproduces ISO 129-1:2004 and implements it as the UK national standard.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What does the document cover regarding dimensioning and tolerances?",{"text":117,"@type":113},"It provides principles for dimensioning and tolerance indication and defines elements such as dimension lines, extension lines, leader lines, and dimensional values.",{"name":119,"@type":110,"acceptedAnswer":120},"Which earlier UK standard is superseded by BS ISO 129-1:2004?",{"text":121,"@type":113},"BS ISO 129-1:2004 supersedes BS ISO 129:1985, which is withdrawn.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},648542,1792898760,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":39,"category_name":40,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":81,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":36,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":144},962090896214,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","Licensed London SouthCopy: Bank Univers ity, London South Bank Un ivers ity, Fri Jan 05 17:08:33 GMT+00:00 2007, Uncontrolled Copy,(c) BSI  \nBRITISH STANDARD  \nTechnical drawings—Indication of dimensions and tolerances—  \nPart 1: General principles  \nICS 01.100.01  \n􀀁􀀂 􀀄􀀂􀀅􀀆􀀇􀀁􀀈 􀀉􀀇􀀊􀀋􀀂􀀌􀀊 􀀍􀀎􀀇 􀀅􀀏􀀐􀀑􀀇􀀎􀀎􀀇􀀂􀀁 􀀏􀀒􀀄􀀏􀀅􀀊 􀀓􀀎 􀀅􀀏􀀐􀀑􀀇􀀊􀀊􀀏􀀔 􀀍􀀆 􀀄􀀂􀀅􀀆􀀐􀀇􀀈􀀋􀀊 􀀕􀀓􀀉  \nBS ISO 129-1:2004  \nLicensed London SouthCopy: Bank Univers ity, London South Bank Un ivers ity, Fri Jan 05 17:08:33 GMT+00:00 2007, Uncontrolled Copy,(c) BSI  \nBS ISO 129-1:2004  \nNational foreword  \nThis British Standard reproduces verbatim ISO 129-1:2004 and implements itas the UK national standard. It supersedes BS ISO 129:1985 which is withdrawn.  \nThe UK participation in its preparation was entrusted to Technical Committee TDW/4, Technical product specification, methodology, presentation and verification, which has the responsibility to:  \n— aid enquirers to understand the text;  \n— present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed;  \n— monitor related international and European developments and promulgate them in the UK.  \nThis British Standard was published under the authority of the Standards Policy and Strategy Committee on  \n25 November 2004  \n© BSI 25 November 2004  \nISBN 0 580 44886 X  \nA list of organizations represented on this committee can be obtained on request to its secretary.  \nCross-references  \nThe British Standards which implement international publications referred to in this document may be found in the BSI Catalogue under the section entitled“International Standards Correspondence Index”, or by using the “Search”facility of the BSI Electronic Catalogue or of British Standards Online.  \nThis publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.  \nCompliance with a British Standard does not of itself confer immunity from legal obligations.  \nSummary of pages  \nThis document comprises a front cover, an inside front cover, the ISO title page, pages ii to iv, pages 1 to 33 and a back cover.  \nThe BSI copyright notice displayed in this document indicates when the document was last issued.  \nAmendments issued since publication  \n\n| Amd. No. | Date | Comments |\n| --- | --- | --- |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n\nLicensed London SouthCopy: Bank Univers ity, London South Bank Un ivers ity, Fri Jan 05 17:08:33 GMT+00:00 2007, Uncontrolled Copy,(c) BSI  \nINTERNATIONAL STANDARD  \nBS ISO 129−1:2004  \nISO 129-1  \nFirst edition 2004-09-15  \nTechnical drawings—Indication of dimensions and tolerances—  \nPart 1:  \nGeneral principles  \nDessins techniques—Indication des cotes et tolérances—Partie 1: Principes généraux  \nReference number ISO 129-1:2004(E)  \nBS ISO 129−1:2004  \nLicensed London SouthCopy: Bank Univers ity, London South Bank Un ivers ity, Fri Jan 05 17:08:33 GMT+00:00 2007, Uncontrolled Copy,(c) BSI  \nLicensed London SouthCopy: Bank Univers ity, London South Bank Un ivers ity, Fri Jan 05 17:08:33 GMT+00:00 2007, Uncontrolled Copy,(c) BSI  \nBS ISO 129−1:2004  \nContents Page  \nForeword ............................................................................................................................................................ iv  \n1 Scope...................................................................................................................................................... 1  \n2 Normative references ........................................................................................................................... 1  \n3 Terms and definitions........................................................................................................................... 2  \n3.1 Features ................................................................................................................................................. 2  \n3.2 Lines of dimensi","cbCaiellJYjcjdGA","https://ap.wps.com/l/cbCaiellJYjcjdGA","pdf",566402,"English","# Foreword\n# 1 Scope\n# 2 Normative references\n# 3 Terms and definitions\n## 3.1 Features\n## 3.2 Lines of dimensioning\n## 3.3 Dimensions\n## 3.4 Arrangement of dimensions\n# 4 Principles of dimensioning and of indication of tolerances\n## 4.1 General principles\n## 4.2 Positioning of dimensions\n## 4.3 Units of dimensions\n# 5 Elements of dimensioning\n## 5.1 General\n## 5.2 Dimension line\n## 5.3 Terminators and origin indication\n## 5.4 Extension line\n## 5.5 Leader line\n## 5.6 Dimensional values (basic dimensions)","[{\"question\":\"What standard does BS ISO 129-1:2004 implement in the UK?\",\"answer\":\"BS ISO 129-1:2004 reproduces ISO 129-1:2004 and implements it as the UK national standard.\"},{\"question\":\"What does the document cover regarding dimensioning and tolerances?\",\"answer\":\"It provides principles for dimensioning and tolerance indication and defines elements such as dimension lines, extension lines, leader lines, and dimensional values.\"},{\"question\":\"Which earlier UK standard is superseded by BS ISO 129-1:2004?\",\"answer\":\"BS ISO 129-1:2004 supersedes BS ISO 129:1985, which is withdrawn.\"}]","ISO 129-1 - Technical drawings - Indication of dimensions and tolerances - Part 1 - General principles | PDF",1792793977,101]