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The standard is intended to simplify drawing indications and establishes tolerance classes, selection considerations, and application limits for metal-removal parts and sheet-metal formed parts. It also harmonizes with ISO 2768-1:1989, including changes to covered size ranges and permissible deviations.",{"@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":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/indian-standard-general-tolerances-part-1-tolerances-for-linear-and-angular-dimensions-without-individual-tolerance-indications-third-revision/663750/",{"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/indian-standard-general-tolerances-part-1-tolerances-for-linear-and-angular-dimensions-without-individual-tolerance-indications-third-revision/663750.png","ImageObject",300,407,{"name":92,"@type":93},"Anna Hans","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-29","2026-10-28",true,{"@type":102,"interactionType":103,"userInteractionCount":24},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the purpose of this Part 1 standard?","Question",{"text":112,"@type":113},"It simplifies drawing indications by specifying general tolerances for linear and angular dimensions that do not have individual tolerance indications.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Which dimensions does Part 1 apply to?",{"text":117,"@type":113},"It applies to specified linear and angular dimensions for metal-removal parts and sheet-metal formed parts that have no individual tolerance indications, and to certain machining of assembled parts.",{"name":119,"@type":110,"acceptedAnswer":120},"How should the tolerance class be selected?",{"text":121,"@type":113},"Select the tolerance class by considering customary workshop accuracy; if smaller tolerances are required or larger tolerances are permissible and more economical for a specific feature, those should be indicated adjacent to the nominal dimensions.","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},663750,1793231094,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":24,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":29,"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":129,"read_time":143},5909892332657,"https://ap-avatar.wpscdn.com/davatar_994ba38a5ba835b3df7d355c54d3ed8d","ASTERCOPY  \nIS 2102(Part 1):1993ISO 2768-1:1989(Rcaffirmed 1998)  \nHTRau开6  \nT开T一5  \nW开T 1可可T-2    3市可市fa fe币3文   u 3T开(exT geTπ)  \n# Indian StandardGENERAL TOLERANCES\n\nPART 1 TOLERANCFS FOR LINEAR AND ANGULAR DIMENSIONS WITHOUTINDIVIDUAL TOLERANCE INDICATIONS  \n(Third Revision)  \nThird Reprint MARCH 2000  \nUDC 621·753*1:744*4  \n—  \nBIS 1993  \nB U REA U OF IN DIA N STA ND A RD SMANAK BHAVAN,9 BAHADUR SHAH ZAFAR MARGNEW DELHI 110002  \nFebruary 1993  \n0153002  \n00  \nEngineering Standards Sectional Committee,LM 01  \n# NATIONAL FOREWORD\n\nThis Indian Standard(Part 1)which is identicai with ISO 2768-1:1989'General tolerances-Part 1:Tolerances for linear and angular dimensions without individual tolerance indicationswas adopted by the Bureau of Indian Standards on the recommendations of the EngineeringStandards Sectional Committee(LM 01)and approval of the Light Mechanical EngineeringDivision Council.  \nThe standard was originally published in 1962.It was subsequently revised in 1969 and 1980.The present revision has been made to harmonize it with ISO 2768-1:1989.In this revisionfollowing important changes have been made:  \na)It now covers the dimensions up to 4000 mm.  \nb)Permissible deviation for linear dimension(except for broken edges)as well as per-missible deviation for broken edges for certain grades and size range have been nodified.  \nc)The specified value for deviation of angular dimension for coarse grade in size range50-120 mm has been changed from 0°25'to 0°30'.  \nd)Incorporated an annex regarding concepts behind general tolerances of linear andangular dimension.  \nIn the adopted standard certain terminology and conventons are not identical with those usedin the Indian Standard,attention is especially drawn to the following:  \na)Comma(.)has been used as a decimal marker while in Indian Standards,thecurrent practice is to use point(.)as the decimal marker.  \nb)Wherever the words 'International Standard appear referring to this standard,theyshall be read as 'Indian Standard.  \nIn the adopted standard reference appears to certain international standards for which IndianStandards also exists.The corresponding Indiar.Standards which are to be substituted in theirplace are listed below along with their degree of equivalence for the editions indicated:  \nDegree of  \nCorresponding Indian Standard  \nInternaticnal  \nEquivalence  \nStanderd  \nIdentical  \nIS 2102(Part 2):1993 General tolerances:Part 2Geometrical tolerances for features withoutindividual tolerance indications dimensions  \nISO 2768-2:1989  \nldentical  \niSO 8015:1985  \nIS 12160:1987 Technical drawings—Fundamentaltolerancing principles  \n## 1 Scope\n\nThis part of ISO 2768 is intended to simplify drawing indications and it specifes general tolerances for linear and angulardimensions without individual tolerance indications in four tol-erance casses.  \nNOTE 1-The concepts behind the general tolerancing of linear andangular dimensions are described in annex A.  \nIt applies to the dimansiens of parts that are produced by metalremoval or parts that are formed from sheet metal.  \n## NOTES\n\n2 These tolerances may be suitable for use with materials othor thaninetal.  \n3 Parallel International Standards exist or are planned,8.g.seeISO 80621 for castings.  \nThis part of ISO 2768 only applies for the following dimensionswhich do not have an individual tolerance indication:  \na!linear diniensions {.g.external sizes,internal sizes,step sizes,diameters,radi,distances,external radii andchamfer heights for broken edges);  \nb)angular dimensions,including angular dimensionsusually not indicated,6.g.right angles(90°),unless ref-erence to ISO 2768-2 is made,or angles of uniform poly-gons;  \nc)linear and angular dimensions produced by machiningassembled parts.  \nIt does not apply for the fcllowing dimensions:  \na)inear and angular dimensions which are covered byreference to other standards on general tolerances;  \nb)auxiliary dimensions indicated in breckets;  \nc)theoretically exact dimension","cbCaio4hPPcyeXxl","https://ap.wps.com/l/cbCaio4hPPcyeXxl","pdf",2548808,"English","# National Foreword\n# 1 Scope\n# 2 General\n# 3 Normative references\n# 4 General tolerances\n## 4.1 Linear dimensions\n## 4.2 Angular dimensions","[{\"question\":\"What is the purpose of this Part 1 standard?\",\"answer\":\"It simplifies drawing indications by specifying general tolerances for linear and angular dimensions that do not have individual tolerance indications.\"},{\"question\":\"Which dimensions does Part 1 apply to?\",\"answer\":\"It applies to specified linear and angular dimensions for metal-removal parts and sheet-metal formed parts that have no individual tolerance indications, and to certain machining of assembled parts.\"},{\"question\":\"How should the tolerance class be selected?\",\"answer\":\"Select the tolerance class by considering customary workshop accuracy; if smaller tolerances are required or larger tolerances are permissible and more economical for a specific feature, those should be indicated adjacent to the nominal dimensions.\"}]","Indian Standard GENERAL TOLERANCES - PART 1 TOLERANCES FOR LINEAR AND ANGULAR DIMENSIONS WITHOUT INDIVIDUAL TOLERANCE INDICATIONS - Third Revision | PDF",15]