{"id":4504,"date":"2025-06-27T14:11:36","date_gmt":"2025-06-27T14:11:36","guid":{"rendered":"https:\/\/99developer.tech\/empower\/?post_type=threading-tools&#038;p=4504"},"modified":"2025-10-10T10:13:23","modified_gmt":"2025-10-10T10:13:23","slug":"whitworth-threading-inserts","status":"publish","type":"threading-tools","link":"https:\/\/99developer.tech\/empower\/cutting-tools\/threading-tools\/whitworth-threading-inserts\/","title":{"rendered":"Whitworth"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"4504\" class=\"elementor elementor-4504\" data-elementor-post-type=\"threading-tools\">\n\t\t\t\t<div class=\"elementor-element elementor-element-aff534a e-flex e-con-boxed e-con e-parent\" data-id=\"aff534a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-792c7e0 elementor-widget elementor-widget-heading\" data-id=\"792c7e0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Whitworth Threading inserts\n<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4783b57 elementor-widget elementor-widget-heading\" data-id=\"4783b57\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Whitworth- (BSW, BSF, BSP)\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6fb75d7 e-con-full e-flex e-con e-child\" data-id=\"6fb75d7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8bbb593 elementor-widget elementor-widget-image\" data-id=\"8bbb593\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"93\" height=\"118\" src=\"https:\/\/99developer.tech\/empower\/wp-content\/uploads\/2024\/9\/threading-insert-A.jpg\" class=\"attachment-large size-large wp-image-11204\" alt=\"Whitworth threading inserts\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\"><\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-16b50be elementor-widget elementor-widget-image\" data-id=\"16b50be\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"93\" height=\"116\" src=\"https:\/\/99developer.tech\/empower\/wp-content\/uploads\/2024\/9\/threading-insert-B.jpg\" class=\"attachment-large size-large wp-image-11205\" alt=\"Whitworth threading inserts\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Whitworth threading inserts<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f430a6d elementor-widget elementor-widget-image\" data-id=\"f430a6d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"100\" height=\"100\" src=\"https:\/\/99developer.tech\/empower\/wp-content\/uploads\/2024\/9\/v-100-insert.jpg\" class=\"attachment-large size-large wp-image-11207\" alt=\"Whitworth threading insert\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">16ER11W<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f2200d3 elementor-widget elementor-widget-image\" data-id=\"f2200d3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"127\" height=\"105\" src=\"https:\/\/99developer.tech\/empower\/wp-content\/uploads\/2024\/9\/tr.jpg\" class=\"attachment-large size-large wp-image-11206\" alt=\"Whitworth threading insert\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\"><\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-350f1da e-con-full e-flex e-con e-child\" data-id=\"350f1da\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-247effa elementor-widget elementor-widget-html\" data-id=\"247effa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<table summary=\"Whitworth threading inserts\">\r\n<caption>Whitworth threading inserts<\/caption>\r\n<thead>\r\n<tr class=\"\">\r\n<th rowspan=\"2\"><\/th><th rowspan=\"2\">I.C.<\/th><th>Pitch<\/th>\r\n<th colspan=\"2\"><a href=\"https:\/\/99developer.tech\/empower\/threading-tools\/order-code\/\">Ordering Code<\/a><\/th><th rowspan=\"2\">L<\/th><th rowspan=\"2\">X<\/th><th rowspan=\"2\">Y<\/th>\r\n<\/tr>\r\n<tr>\r\n<th>TPI<\/th><th>RH<\/th><th>LH<\/th> \r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td rowspan=\"19\" class=\"kong\">External Whitworth<br>\r\n<img decoding=\"async\" src=\"https:\/\/99developer.tech\/empower\/wp-content\/uploads\/2024\/9\/external.jpg\" alt=\"Whitworth threading insert\"><\/td>\r\n<td class=\"qinlan\" rowspan=\"14\">3\/8\"<\/td>\r\n<td>28<\/td>\r\n<td>16ER28W<\/td>\r\n<td>16EL28W<\/td>\r\n<td class=\"qinlan\" rowspan=\"14\">16.5<\/td>\r\n<td>0.8<\/td>\r\n<td>0.8<\/td>\r\n<\/tr>\r\n<tr class=\"even\">\r\n<td>26<\/td>\r\n<td>16ER26W<\/td>\r\n<td>16EL26W<\/td>\r\n<td>0.8<\/td>\r\n<td>0.8<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>24<\/td>\r\n<td>16ER24W<\/td>\r\n<td>16EL24W<\/td>\r\n<td>0.8<\/td>\r\n<td>0.8<\/td>\r\n<\/tr>\r\n<tr class=\"even\">\r\n<td>22<\/td>\r\n<td>16ER22W<\/td>\r\n<td>16EL22W<\/td>\r\n<td>0.8<\/td>\r\n<td>0.8<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>20<\/td>\r\n<td>16ER20W<\/td>\r\n<td>16EL20W<\/td>\r\n<td>0.8<\/td>\r\n<td>0.8<\/td>\r\n<\/tr>\r\n<tr class=\"even\">\r\n<td>19<\/td>\r\n<td>16ER19W<\/td>\r\n<td>16EL19W<\/td>\r\n<td>0.8<\/td>\r\n<td>0.8<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>18<\/td>\r\n<td>16ER18W<\/td>\r\n<td>16EL18W<\/td>\r\n<td>0.8<\/td>\r\n<td>0.8<\/td>\r\n<\/tr>\r\n<tr class=\"even\">\r\n<td>16<\/td>\r\n<td>16ER16W<\/td>\r\n<td>16EL16W<\/td>\r\n<td>1.2<\/td>\r\n<td>1.5<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>14<\/td>\r\n<td>16ER14W<\/td>\r\n<td>16EL14W<\/td>\r\n<td>1.2<\/td>\r\n<td>1.5<\/td>\r\n<\/tr>\r\n<tr class=\"even\">\r\n<td>12<\/td>\r\n<td>16ER12W<\/td>\r\n<td>16EL12W<\/td>\r\n<td>1.2<\/td>\r\n<td>1.5<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>11<\/td>\r\n<td>16ER11W<\/td>\r\n<td>16EL11W<\/td>\r\n<td>1.2<\/td>\r\n<td>1.5<\/td>\r\n<\/tr>\r\n<tr class=\"even\">\r\n<td>10<\/td>\r\n<td>16ER10W<\/td>\r\n<td>16EL10W<\/td>\r\n<td>1.2<\/td>\r\n<td>1.5<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>9<\/td>\r\n<td>16ER9W<\/td>\r\n<td>16EL9W<\/td>\r\n<td>1.2<\/td>\r\n<td>1.5<\/td>\r\n<\/tr>\r\n<tr class=\"even\">\r\n<td>8<\/td>\r\n<td>16ER8W<\/td>\r\n<td>16EL8W<\/td>\r\n<td>1.2<\/td>\r\n<td>1.5<\/td>\r\n<\/tr>\r\n<tr>\r\n<td class=\"qinlan\" rowspan=\"3\">1\/2\"<\/td>\r\n<td>7<\/td>\r\n<td>22ER7W<\/td>\r\n<td>22EL7W<\/td>\r\n<td class=\"qinlan\" rowspan=\"3\">22<\/td>\r\n<td>1.8<\/td>\r\n<td>2.5<\/td>\r\n<\/tr>\r\n<tr class=\"even\">\r\n<td>6<\/td>\r\n<td>22ER6W<\/td>\r\n<td>22EL6W<\/td>\r\n<td>1.8<\/td>\r\n<td>2.5<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>5<\/td>\r\n<td>22ER5W<\/td>\r\n<td>22EL5W<\/td>\r\n<td>1.8<\/td>\r\n<td>2.5<\/td>\r\n<\/tr>\r\n<tr class=\"even\">\r\n<td class=\"qinlan\" rowspan=\"3\">5\/8\"<\/td>\r\n<td>4.5<\/td>\r\n<td>27ER4.5W<\/td>\r\n<td>27EL4.5W<\/td>\r\n<td class=\"qinlan\" rowspan=\"3\">27.5<\/td>\r\n<td>2.2<\/td>\r\n<td>3.2<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>4<\/td>\r\n<td>27ER4W<\/td>\r\n<td>27EL4W<\/td>\r\n<td>2.2<\/td>\r\n<td>3.2<\/td>\r\n<\/tr>\r\n<tr>\r\n<td class=\"cross\" colspan=\"8\">.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td rowspan=\"21\" class=\"kong\">Internal Whitworth<br>\r\n<img decoding=\"async\" src=\"https:\/\/99developer.tech\/empower\/wp-content\/uploads\/2024\/9\/internal.jpg\" alt=\"Whitworth threading inserts\"><\/td>\r\n<td class=\"qinlan\" rowspan=\"2\">1\/4\"<\/td>\r\n<td>19<\/td>\r\n<td>11NR19W<\/td>\r\n<td>11NL19W<\/td><td class=\"qinlan\" rowspan=\"2\">11<\/td>\r\n<td>0.8<\/td>\r\n<td>0.8<\/td>\r\n<\/tr>\r\n<tr class=\"even\">\r\n<td>14<\/td>\r\n<td>11NR14W<\/td>\r\n<td>11NL14W<\/td><td>0.8<\/td><td>0.8<\/td>\r\n<\/tr>\r\n<tr>\r\n<td class=\"qinlan\" rowspan=\"14\">3\/8\"<\/td>\r\n<td>28<\/td>\r\n<td>16NR28W<\/td>\r\n<td>16NL28W<\/td>\r\n<td class=\"qinlan\" rowspan=\"14\">16.5<\/td>\r\n<td>0.8<\/td>\r\n<td>0.8<\/td>\r\n<\/tr>\r\n<tr class=\"even\">\r\n<td>26<\/td>\r\n<td>16NR26W<\/td>\r\n<td>16NL26W<\/td>\r\n<td>0.8<\/td>\r\n<td>0.8<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>24<\/td>\r\n<td>16NR24W<\/td>\r\n<td>16NL24W<\/td>\r\n<td>0.8<\/td>\r\n<td>0.8<\/td>\r\n<\/tr>\r\n<tr class=\"even\">\r\n<td>22<\/td>\r\n<td>16NR22W<\/td>\r\n<td>16NL22W<\/td>\r\n<td>0.8<\/td>\r\n<td>0.8<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>20<\/td>\r\n<td>16NR20W<\/td>\r\n<td>16NL20W<\/td>\r\n<td>0.8<\/td>\r\n<td>0.8<\/td>\r\n<\/tr>\r\n<tr class=\"even\">\r\n<td>19<\/td>\r\n<td>16NR19W<\/td>\r\n<td>16NL19W<\/td>\r\n<td>0.8<\/td>\r\n<td>0.8<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>18<\/td>\r\n<td>16NR18W<\/td>\r\n<td>16NL18W<\/td>\r\n<td>0.8<\/td>\r\n<td>0.8<\/td>\r\n<\/tr>\r\n<tr class=\"even\">\r\n<td>16<\/td>\r\n<td>16NR16W<\/td>\r\n<td>16NL16W<\/td>\r\n<td>1.2<\/td>\r\n<td>1.5<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>14<\/td>\r\n<td>16NR14W<\/td>\r\n<td>16NL14W<\/td>\r\n<td>1.2<\/td>\r\n<td>1.5<\/td>\r\n<\/tr>\r\n<tr class=\"even\">\r\n<td>12<\/td>\r\n<td>16NR12W<\/td>\r\n<td>16NL12W<\/td>\r\n<td>1.2<\/td>\r\n<td>1.5<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>11<\/td>\r\n<td>16NR11W<\/td>\r\n<td>16NL11W<\/td>\r\n<td>1.2<\/td>\r\n<td>1.5<\/td>\r\n<\/tr>\r\n<tr class=\"even\">\r\n<td>10<\/td>\r\n<td>16NR10W<\/td>\r\n<td>16NL10W<\/td>\r\n<td>1.2<\/td>\r\n<td>1.5<\/td>\r\n<\/tr>\r\n\r\n<tr>\r\n<td>9<\/td>\r\n<td>16NR9W<\/td>\r\n<td>16NL9W<\/td>\r\n<td>1.2<\/td>\r\n<td>1.5<\/td>\r\n<\/tr>\r\n<tr class=\"even\">\r\n<td>8<\/td>\r\n<td>16NR8W<\/td>\r\n<td>16NL8W<\/td>\r\n<td>1.2<\/td>\r\n<td>1.5<\/td>\r\n<\/tr>\r\n<tr>\r\n<td class=\"qinlan\" rowspan=\"3\">1\/2\"<\/td>\r\n<td>7<\/td>\r\n<td>22NR7W<\/td>\r\n<td>22NL7W<\/td>\r\n<td class=\"qinlan\" rowspan=\"3\">22<\/td>\r\n<td>1.8<\/td>\r\n<td>2.5<\/td>\r\n<\/tr>\r\n<tr class=\"even\">\r\n<td>6<\/td>\r\n<td>22NR6W<\/td>\r\n<td>22NL6W<\/td>\r\n<td>1.8<\/td>\r\n<td>2.5<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>5<\/td>\r\n<td>22NR5W<\/td>\r\n<td>22NL5W<\/td>\r\n<td>1.8<\/td>\r\n<td>2.5<\/td>\r\n<\/tr>\r\n<tr class=\"even\">\r\n<td class=\"qinlan\" rowspan=\"3\">5\/8\"<\/td>\r\n<td>4.5<\/td>\r\n<td>27NR4.5W<\/td>\r\n<td>27NL4.5W<\/td>\r\n<td class=\"qinlan\" rowspan=\"3\">27.5<\/td>\r\n<td>2.2<\/td>\r\n<td>3.2<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>4<\/td>\r\n<td>27NR4W<\/td>\r\n<td>27NL4W<\/td>\r\n<td>2.2<\/td>\r\n<td>3.2<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a05405d elementor-widget elementor-widget-reference_links_widget\" data-id=\"a05405d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"reference_links_widget.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h5 class=\"sf-ref-title\">Reference:<\/h5><div class=\"sf-reference-links\"><\/div>\t\t<style>\n\t\t\t.sf-reference-links {\n\t\t\t\tdisplay: flex;\n\t\t\t\tflex-wrap: wrap;\n\t\t\t\tgap: 10px;\n\t\t\t\tmargin-top: 15px;\n\t\t\t}\n\n\t\t\t.sf-ref-link {\n\t\t\t\tdisplay: inline-flex;\n\t\t\t\talign-items: center;\n\t\t\t\tpadding: 8px 18px;\n\t\t\t\tbackground-color: #e5f2fc;\n\t\t\t\tcolor: #0072c6;\n\t\t\t\ttext-decoration: none;\n\t\t\t\tborder-radius: 999px;\n\t\t\t\tfont-size: 14px;\n\t\t\t\tfont-weight: 500;\n\t\t\t\tborder: 1px solid transparent;\n\t\t\t\ttransition: transform 0.3s ease;\n\t\t\t}\n\n\t\t\t.sf-ref-link:hover {\n\t\t\t\t\/* transform: translateY(-1px); *\/\n\t\t\t}\n\n\t\t\t.sf-link-icon {\n\t\t\t\tfont-size: 14px;\n\t\t\t\tcolor: #1f1f1f;\n\t\t\t\twidth: 14px;\n\t\t\t\theight: 14px;\n\t\t\t\tmargin-left: 10px;\n\t\t\t\tmargin-bottom: -5px;\n\t\t\t\ttransition: transform 0.3s ease;\n\t\t\t}\n\n\t\t\t.sf-ref-link:hover .sf-link-icon {\n\t\t\t\ttransform: translateX(4px);\n\t\t\t}\n\n\t\t\t@media (max-width: 600px) {\n\t\t\t\t.sf-ref-link {\n\t\t\t\t\tflex: 1 1 100%;\n\t\t\t\t\tjustify-content: space-between;\n\t\t\t\t}\n\t\t\t}\n\t\t<\/style>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"featured_media":4484,"template":"","class_list":["post-4504","threading-tools","type-threading-tools","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/99developer.tech\/empower\/wp-json\/wp\/v2\/threading-tools\/4504","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/99developer.tech\/empower\/wp-json\/wp\/v2\/threading-tools"}],"about":[{"href":"https:\/\/99developer.tech\/empower\/wp-json\/wp\/v2\/types\/threading-tools"}],"version-history":[{"count":16,"href":"https:\/\/99developer.tech\/empower\/wp-json\/wp\/v2\/threading-tools\/4504\/revisions"}],"predecessor-version":[{"id":11284,"href":"https:\/\/99developer.tech\/empower\/wp-json\/wp\/v2\/threading-tools\/4504\/revisions\/11284"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/99developer.tech\/empower\/wp-json\/wp\/v2\/media\/4484"}],"wp:attachment":[{"href":"https:\/\/99developer.tech\/empower\/wp-json\/wp\/v2\/media?parent=4504"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}