{"id":276338,"date":"2024-10-19T18:35:55","date_gmt":"2024-10-19T18:35:55","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-29032016-2\/"},"modified":"2024-10-25T15:02:25","modified_gmt":"2024-10-25T15:02:25","slug":"bs-iso-29032016-2","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-29032016-2\/","title":{"rendered":"BS ISO 2903:2016"},"content":{"rendered":"<p>This document specifies a tolerance system for metric trapezoidal screw threads in accordance with <span class=\"std\"><span class=\"std-ref\">ISO&nbsp;2902<\/span><\/span> . The tolerances refer to the design profile in accordance with <span class=\"std\"><span class=\"std-ref\">ISO&nbsp;2901<\/span><\/span> .<\/p>\n<p>The tolerance system does not apply to trapezoidal screw threads with special requirements on axial displacement, for example, machine tool lead and feed screws and nuts.<\/p>\n<h4>PDF Catalog<\/h4>\n<table border=\"1px\" class=\"des-table\">\n<tr>\n<th>PDF Pages<\/th>\n<th>PDF Title<\/th>\n<\/tr>\n<tr>\n<td><b>2<b><\/td>\n<td>National foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>6<b><\/td>\n<td>Foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>1 Scope <br \/> 2 Normative references <br \/> 3 Terms and definitions <br \/> 4 Symbols  <\/td>\n<\/tr>\n<tr>\n<td><b>8<b><\/td>\n<td>5 Tolerance system <br \/> 6 Tolerance positions  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>7 Tolerance grades  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>8 Length groups of thread engagement  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>9 Recommended tolerance classes <br \/> 10 Multiple-start threads  <\/td>\n<\/tr>\n<tr>\n<td><b>18<b><\/td>\n<td>11 Formulae <br \/> 11.1 General <br \/> 11.2 Fundamental deviations <br \/> 11.3 Crest diameter tolerances <br \/> 11.3.1 Tolerances for major diameter of external thread (Td)  <\/td>\n<\/tr>\n<tr>\n<td><b>19<b><\/td>\n<td>11.3.2 Tolerances for minor diameter of internal thread (TD1) <br \/> 11.4 Pitch diameter tolerances <br \/> 11.4.1 Tolerances for pitch diameter of external thread (Td2) <br \/> 11.4.2 Tolerances for pitch diameter of internal thread (TD2) <br \/> 11.5 Tolerances for minor diameter of external thread (Td3)  <\/td>\n<\/tr>\n<tr>\n<td><b>20<b><\/td>\n<td>11.6 Length groups of thread engagement <br \/> 12 Designation <br \/> 12.1 General <br \/> 12.2 Designation of single-start threads  <\/td>\n<\/tr>\n<tr>\n<td><b>21<b><\/td>\n<td>12.3 Designation of multiple-start screw threads <br \/> 12.4 Designation of left-hand threads  <\/td>\n<\/tr>\n<tr>\n<td><b>22<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>ISO metric trapezoidal screw threads. Tolerances<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2020<\/td>\n<td>24<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":276344,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[299,2641],"product_tag":[],"class_list":{"0":"post-276338","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-21-040-10","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/276338","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/276344"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=276338"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=276338"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=276338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}