{"id":10305,"date":"2026-09-16T22:48:14","date_gmt":"2026-09-16T20:48:14","guid":{"rendered":"https:\/\/www.stud-welding.de\/?page_id=10305"},"modified":"2026-10-16T22:40:36","modified_gmt":"2026-10-16T20:40:36","slug":"fd-fully-threaded-studs","status":"publish","type":"page","link":"https:\/\/www.stud-welding.de\/en\/fd-fully-threaded-studs\/","title":{"rendered":"FD fully threaded studs"},"content":{"rendered":"<style>html body #brx-content.wordpress{max-width:none;width:100%;padding:0;margin:0}html body #brx-content.wordpress>h1{display:none}<\/style>\n<style>.sd-new .fd-hero-heading{font-size:clamp(40px,4.1vw,60px);max-width:680px;overflow-wrap:normal}@media(max-width:991px){.sd-new .fd-hero-heading{font-size:46px}}@media(max-width:767px){.sd-new .fd-hero-heading{font-size:34px}}@media(max-width:478px){.sd-new .fd-hero-heading{font-size:30px}}.sd-new .sd-measure-grid{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:40px;width:100%;align-items:start}.sd-new 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p{margin:0;font-size:16px;line-height:1.6}.sd-new .fd-table-scroll{width:100%;max-width:100%;overflow-x:auto}.sd-new .sd-table{width:100%;border-collapse:collapse;margin:0;color:#10191f;font-size:14px;line-height:1.4}.sd-new .sd-table caption{text-align:left;font-weight:600;margin-bottom:12px}.sd-new .sd-table th,.sd-new .sd-table td{padding:9px 7px;border-bottom:1px solid #dce4e8;text-align:left;vertical-align:middle;white-space:nowrap}.sd-new .sd-table thead th{background:#10191f;color:#fff;font-weight:600}.sd-new .sd-table tbody tr:nth-child(even){background:#e9eef0}@media(max-width:991px){.sd-new .sd-measure-grid{grid-template-columns:minmax(0,1fr);gap:24px}.sd-new .sd-drawing{max-width:580px!important;margin:auto}}@media(max-width:767px){.sd-new .sd-table{font-size:13px}.sd-new .sd-table th,.sd-new .sd-table td{padding:8px 6px}}.sd-new .sd-measure-grid{grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr)!important;gap:40px!important;align-items:start!important}.sd-new .sd-hero h1.fd-hero-heading{font-size:clamp(40px,4.1vw,60px)!important;max-width:680px!important}@media(max-width:991px){.sd-new .sd-measure-grid{grid-template-columns:minmax(0,1fr)!important;gap:24px!important}.sd-new .sd-hero h1.fd-hero-heading{font-size:46px!important}}@media(max-width:767px){.sd-new .sd-hero h1.fd-hero-heading{font-size:34px!important}}@media(max-width:478px){.sd-new .sd-hero h1.fd-hero-heading{font-size:28px!important}}.sd-new .fd-drawing-crop{background:#f3f6f7!important}.sd-new .fd-drawing-crop img{filter:url(#drawing-ink-fd);mix-blend-mode:multiply}.sd-new .sd-drawing figcaption{color:#33434d}@media(max-width:767px){html body #brx-content .sd-lead{width:auto!important;max-width:100%!important;min-width:0!important;overflow-wrap:anywhere!important;}}<\/style>\n<div id=\"brxe-mfpxku\" class=\"brxe-div sd-new\">\n<section id=\"brxe-edfmip\" class=\"brxe-section sd-section sd-dark sd-hero\"><img loading=\"lazy\" width=\"1672\" height=\"941\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fd-header.png\" class=\"brxe-image sd-cover css-filter size-full\" alt=\"FD stud with continuous external thread and conical tip against a dark industrial background\" id=\"brxe-shuuev\" decoding=\"async\" data-type=\"string\" sizes=\"auto, (max-width: 1672px) 100vw, 1672px\" srcset=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fd-header-300x169.png 300w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fd-header-768x432.png 768w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fd-header-1024x576.png 1024w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fd-header-1536x864.png 1536w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fd-header.png 1672w\"><\/p>\n<div id=\"brxe-tcaocn\" class=\"brxe-container sd-inner\">\n<div id=\"brxe-jhqzfx\" class=\"brxe-text-basic sd-eyebrow\">STUD WELDING ELEMENTS \u2013 DRAWN ARC<\/div>\n<h1 id=\"brxe-xyokux\" class=\"brxe-heading fd-hero-heading \">FULLY THREADED<br \/>STUDS<br \/><span class=\"sd-red\">FD<\/span><\/h1>\n<div id=\"brxe-uswlfh\" class=\"brxe-text-basic sd-subtitle\">Continuous external thread \u00b7 type FD<\/div>\n<div id=\"brxe-yatldq\" class=\"brxe-text-basic sd-lead\">Fully threaded studs for drawn arc stud welding. For manual and fully automatic welding processes.<\/div>\n<div id=\"brxe-ucxfks\" class=\"brxe-div sd-actions\"><a id=\"brxe-ddnysw\" class=\"brxe-button sd-button  bricks-button\" href=\"#sd-abmessungen\">Technical data \u2192<\/a><a id=\"brxe-wneyzf\" class=\"brxe-button sd-button sd-outline bricks-button\" href=\"https:\/\/www.stud-welding.de\/en\/contact\/\">Enquire about FD \u2192<\/a><\/div>\n<div id=\"brxe-ytkxqn\" class=\"brxe-text-basic sd-facts\">M6 \u2013 M20 | l\u2082: 15 \u2013 100 mm | Steel 4.8 \u00b7 stainless steel A2-50 | On request<\/div>\n<\/div>\n<\/section>\n<section id=\"brxe-gppuet\" class=\"brxe-section sd-section sd-light\">\n<div id=\"brxe-hchivy\" class=\"brxe-container sd-inner\">\n<div id=\"brxe-bwxhgg\" class=\"brxe-div sd-grid sd-intro\">\n<div id=\"brxe-ayqutu\" class=\"brxe-div\">\n<div id=\"brxe-lxkjfk\" class=\"brxe-text-basic sd-eyebrow\">FD THREADED STUDS<\/div>\n<h2 id=\"brxe-izdgjz\" class=\"brxe-heading \">CONTINUOUS THREAD.<br \/>WELDABLE FASTENING.<\/h2>\n<div id=\"brxe-timnzf\" class=\"brxe-text-basic\">Type FD has a continuous external thread. It is welded onto the component using drawn arc welding and provides a thread for fastening further components. The dimensional drawing distinguishes the stud before and after welding.<\/div>\n<p><a id=\"brxe-smimja\" class=\"brxe-button sd-button sd-link bricks-button\" href=\"#sd-anwendungen\">More about applications \u2192<\/a><\/div>\n<div id=\"brxe-hrkqlj\" class=\"brxe-div sd-image-space\"><img loading=\"lazy\" width=\"1672\" height=\"941\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/stahlbau-komprimiert.webp\" class=\"brxe-image sd-bridge-photo css-filter size-full\" alt=\"Steel structure as an application example for weldable fasteners\" id=\"brxe-eyedaw\" decoding=\"async\" data-type=\"string\" sizes=\"auto, (max-width: 1672px) 100vw, 1672px\" srcset=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/stahlbau-komprimiert-300x169.webp 300w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/stahlbau-komprimiert-768x432.webp 768w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/stahlbau-komprimiert-1024x576.webp 1024w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/stahlbau-komprimiert-1536x864.webp 1536w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/stahlbau-komprimiert.webp 1672w\"><\/div>\n<div id=\"brxe-pwgoym\" class=\"brxe-div\">\n<div id=\"brxe-dpqrqx\" class=\"brxe-text\">\n<table class=\"sd-specs\">\n<tbody>\n<tr>\n<th scope=\"row\">Welding process<\/th>\n<td>Drawn arc welding<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Thread sizes<\/th>\n<td>M6, M8, M10, M12, M16, M20<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Design<\/th>\n<td>Continuous external thread<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Length l\u2082<\/th>\n<td>15\u2013100 mm according to the data sheet; size\/length combinations on request<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">materials<\/th>\n<td>Steel 4.8<br \/>Stainless steel A2-50<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Availability<\/th>\n<td>On request<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"brxe-mvdycz\" class=\"brxe-section sd-section sd-dark\">\n<div id=\"brxe-iptcvs\" class=\"brxe-container sd-inner\">\n<div id=\"brxe-npzzgt\" class=\"brxe-div sd-grid sd-two\">\n<div id=\"brxe-vxzvmi\" class=\"brxe-div sd-system-photos\"><img loading=\"lazy\" width=\"1024\" height=\"1536\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fd-original.webp\" class=\"brxe-image sd-stud css-filter size-full\" alt=\"Original product photograph: FD stud with continuous external thread, flat end face and conical welding tip\" id=\"brxe-prfhft\" decoding=\"async\" data-type=\"string\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" srcset=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fd-original-200x300.webp 200w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fd-original-683x1024.webp 683w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fd-original-768x1152.webp 768w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fd-original.webp 1024w\"><\/div>\n<div id=\"brxe-yrlsnm\" class=\"brxe-div\">\n<div id=\"brxe-auihcz\" class=\"brxe-text-basic sd-eyebrow\">PRODUCT DESCRIPTION<\/div>\n<h2 id=\"brxe-leqszc\" class=\"brxe-heading \">FD threaded studs from M6 to M20.<\/h2>\n<div id=\"brxe-ajsnqm\" class=\"brxe-text-basic\">The continuous external thread and conical welding tip are the defining features of type FD. The original product photograph shows the unwelded stud.<\/p>\n<p>The product source lists steel 4.8 and stainless steel A2-50 and processing in manual and fully automatic welding processes. Dimensions d\u2083 and h\u2084 describe the welding area after welding; their values are listed in the dimensional table.<\/p><\/div>\n<p><a id=\"brxe-ttdhbq\" class=\"brxe-button sd-button sd-link bricks-button\" href=\"#sd-abmessungen\">View dimensions \u2192<\/a><\/div>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"sd-abmessungen\" class=\"brxe-section sd-section sd-light\">\n<div id=\"brxe-kpedzz\" class=\"brxe-container sd-inner\">\n<div id=\"brxe-dnbzry\" class=\"brxe-text-basic sd-eyebrow\">DIMENSIONS<\/div>\n<h2 id=\"brxe-idiyhg\" class=\"brxe-heading \">FD: dimensions<br \/>and materials<\/h2>\n<div id=\"brxe-ymtwio\" class=\"brxe-div sd-measure-grid\">\n<div id=\"brxe-jtzlud\" class=\"brxe-text sd-drawing\">\n<p><svg aria-hidden=\"true\" width=\"0\" height=\"0\" style=\"position:absolute\"><defs><filter id=\"drawing-ink-fd\" color-interpolation-filters=\"sRGB\"><feColorMatrix type=\"saturate\" values=\"0\"><\/feColorMatrix><feComponentTransfer><feFuncR type=\"table\" tableValues=\"0.063 0.063 0.063 0.063 0.063 0.063 0.063 0.063 0.063 0.063 1 1 1 1 1 0.063 0.063 0.063 0.063 0.063 0.063\"><\/feFuncR><feFuncG type=\"table\" tableValues=\"0.098 0.098 0.098 0.098 0.098 0.098 0.098 0.098 0.098 0.098 1 1 1 1 1 0.098 0.098 0.098 0.098 0.098 0.098\"><\/feFuncG><feFuncB type=\"table\" tableValues=\"0.122 0.122 0.122 0.122 0.122 0.122 0.122 0.122 0.122 0.122 1 1 1 1 1 0.122 0.122 0.122 0.122 0.122 0.122\"><\/feFuncB><\/feComponentTransfer><\/filter><\/defs><\/svg><\/p>\n<figure style=\"margin:0\">\n<div class=\"fd-drawing-crop\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fd-datenblatt.jpg\" alt=\"FD dimensional drawing before and after welding with d\u2081, l\u2081, l\u2082, d\u2083, h\u2084 and 140-degree tip\" width=\"2008\" height=\"2008\"><\/div><figcaption>Dimensional drawing from the manufacturer\u2019s FD data sheet. l\u2081 denotes length before welding and l\u2082 length after welding.<\/figcaption><\/figure>\n<\/div>\n<div id=\"brxe-xbcfur\" class=\"brxe-text sd-table-wrap\">\n<div class=\"fd-reference-tables\">\n<div class=\"fd-table-scroll\" tabindex=\"0\" role=\"region\" aria-label=\"FD dimensions, horizontally scrollable\">\n<table class=\"sd-table\">\n<caption>FD dimensions \u00b7 dimensions in mm, angles in degrees<\/caption>\n<thead>\n<tr>\n<th scope=\"col\">d\u2081<\/th>\n<th scope=\"col\">l\u2082<\/th>\n<th scope=\"col\">d\u2083<\/th>\n<th scope=\"col\">h\u2084<\/th>\n<th scope=\"col\">Angle \u00b17\u00b0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\">M6<\/th>\n<td rowspan=\"6\">15\u2013100 mm*<\/td>\n<td>8,5<\/td>\n<td>4<\/td>\n<td rowspan=\"6\">140\u00b0<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">M8<\/th>\n<td>11<\/td>\n<td>4<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">M10<\/th>\n<td>13<\/td>\n<td>4<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">M12<\/th>\n<td>16<\/td>\n<td>5<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">M16<\/th>\n<td>21<\/td>\n<td>7<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">M20<\/th>\n<td>26<\/td>\n<td>7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>*The data sheet specifies the range 15\u2013100 mm but does not assign individual lengths to thread sizes. Please enquire about available combinations.<\/p>\n<table class=\"sd-specs\">\n<caption>Materials according to the product source<\/caption>\n<tbody>\n<tr>\n<th scope=\"row\">Steel<\/th>\n<td>4.8<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Stainless steel<\/th>\n<td>A2-50<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>For your enquiry: specify thread size, required length l\u2082, material and quantity.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"brxe-jxnndj\" class=\"brxe-text-basic sd-note\">Technical information according to the FD data sheet. A standard reference, thread tolerance, further dimensional tolerances, order codes and ceramic ferrule type are not specified in the available FD sources. These points must be clarified before ordering.<\/div>\n<p><a id=\"brxe-fzfsej\" class=\"brxe-button sd-button sd-link bricks-button\" href=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fd-datenblatt.jpg\">Download data sheet (German) \u2192<\/a><\/div>\n<\/section>\n<section id=\"sd-anwendungen\" class=\"brxe-section btv-applications sd-section sd-dark\">\n<div id=\"brxe-qzhojg\" class=\"brxe-container btv-applications__inner sd-inner sd-app-layout\">\n<div id=\"brxe-hqphce\" class=\"brxe-div btv-applications__intro sd-app-intro\">\n<div id=\"brxe-gijmln\" class=\"brxe-text-basic sd-eyebrow\">APPLICATIONS<\/div>\n<h2 id=\"brxe-przjci\" class=\"brxe-heading \">FD threaded studs<br \/>for industrial fastening tasks<\/h2>\n<div id=\"brxe-qbtxud\" class=\"brxe-text-basic sd-lead\">Continuous external threads provide weldable fastening points. The industries illustrated serve as an application overview; suitability of FD must be checked for each component, material and load.<\/div>\n<\/div>\n<div id=\"brxe-xvvbpn\" class=\"brxe-div btv-applications__grid sd-grid sd-apps\">\n<div id=\"brxe-jybsml\" class=\"brxe-div btv-applications__item sd-app-card\"><img loading=\"lazy\" width=\"1672\" height=\"941\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/stahlbau-komprimiert.webp\" class=\"brxe-image sd-card-photo css-filter size-full\" alt=\"Structural steelwork as an industrial application\" id=\"brxe-gvdjdt\" decoding=\"async\" data-type=\"string\" sizes=\"auto, (max-width: 1672px) 100vw, 1672px\" srcset=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/stahlbau-komprimiert-300x169.webp 300w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/stahlbau-komprimiert-768x432.webp 768w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/stahlbau-komprimiert-1024x576.webp 1024w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/stahlbau-komprimiert-1536x864.webp 1536w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/stahlbau-komprimiert.webp 1672w\"><\/p>\n<div id=\"brxe-qkukkg\" class=\"brxe-text-basic sd-number\">01<\/div>\n<h3 id=\"brxe-ytpnhf\" class=\"brxe-heading \">Structural steelwork<\/h3>\n<\/div>\n<div id=\"brxe-lygnkb\" class=\"brxe-div btv-applications__item sd-app-card\"><img loading=\"lazy\" width=\"1672\" height=\"941\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fahrzeugbau-komprimiert.webp\" class=\"brxe-image sd-card-photo css-filter size-full\" alt=\"Vehicle manufacturing as an industrial application\" id=\"brxe-yuatnd\" decoding=\"async\" data-type=\"string\" sizes=\"auto, (max-width: 1672px) 100vw, 1672px\" srcset=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fahrzeugbau-komprimiert-300x169.webp 300w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fahrzeugbau-komprimiert-768x432.webp 768w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fahrzeugbau-komprimiert-1024x576.webp 1024w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fahrzeugbau-komprimiert-1536x864.webp 1536w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fahrzeugbau-komprimiert.webp 1672w\"><\/p>\n<div id=\"brxe-cxckpf\" class=\"brxe-text-basic sd-number\">02<\/div>\n<h3 id=\"brxe-btudkc\" class=\"brxe-heading \">Vehicle manufacturing<\/h3>\n<\/div>\n<div id=\"brxe-wsgfdc\" class=\"brxe-div btv-applications__item sd-app-card\"><img loading=\"lazy\" width=\"1672\" height=\"941\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/maschinenbau-komprimiert.webp\" class=\"brxe-image sd-card-photo css-filter size-full\" alt=\"Mechanical engineering example image\" id=\"brxe-fiuirb\" decoding=\"async\" data-type=\"string\" sizes=\"auto, (max-width: 1672px) 100vw, 1672px\" srcset=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/maschinenbau-komprimiert-300x169.webp 300w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/maschinenbau-komprimiert-768x432.webp 768w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/maschinenbau-komprimiert-1024x576.webp 1024w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/maschinenbau-komprimiert-1536x864.webp 1536w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/maschinenbau-komprimiert.webp 1672w\"><\/p>\n<div id=\"brxe-iiytay\" class=\"brxe-text-basic sd-number\">03<\/div>\n<h3 id=\"brxe-oamabe\" class=\"brxe-heading \">Mechanical engineering<\/h3>\n<\/div>\n<div id=\"brxe-xrpbde\" class=\"brxe-div btv-applications__item sd-app-card\"><img loading=\"lazy\" width=\"1672\" height=\"941\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/anlagenbau-komprimiert.webp\" class=\"brxe-image sd-card-photo css-filter size-full\" alt=\"Plant engineering example image\" id=\"brxe-ojgfpt\" decoding=\"async\" data-type=\"string\" sizes=\"auto, (max-width: 1672px) 100vw, 1672px\" srcset=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/anlagenbau-komprimiert-300x169.webp 300w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/anlagenbau-komprimiert-768x432.webp 768w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/anlagenbau-komprimiert-1024x576.webp 1024w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/anlagenbau-komprimiert-1536x864.webp 1536w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/anlagenbau-komprimiert.webp 1672w\"><\/p>\n<div id=\"brxe-qxruej\" class=\"brxe-text-basic sd-number\">04<\/div>\n<h3 id=\"brxe-ccsdhp\" class=\"brxe-heading \">Plant engineering<\/h3>\n<\/div>\n<div id=\"brxe-rjynlf\" class=\"brxe-div btv-applications__item sd-app-card\"><img loading=\"lazy\" width=\"1672\" height=\"941\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/schienenfahrzeuge-komprimiert.webp\" class=\"brxe-image sd-card-photo css-filter size-full\" alt=\"Rail vehicles\" id=\"brxe-sktsrx\" decoding=\"async\" data-type=\"string\" sizes=\"auto, (max-width: 1672px) 100vw, 1672px\" srcset=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/schienenfahrzeuge-komprimiert-300x169.webp 300w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/schienenfahrzeuge-komprimiert-768x432.webp 768w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/schienenfahrzeuge-komprimiert-1024x576.webp 1024w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/schienenfahrzeuge-komprimiert-1536x864.webp 1536w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/schienenfahrzeuge-komprimiert.webp 1672w\"><\/p>\n<div id=\"brxe-rrkuzy\" class=\"brxe-text-basic sd-number\">05<\/div>\n<h3 id=\"brxe-ufufqn\" class=\"brxe-heading fd-rail-heading \">Rail vehicles<\/h3>\n<\/div>\n<div id=\"brxe-uyedrk\" class=\"brxe-div btv-applications__item sd-app-card\"><img loading=\"lazy\" width=\"1536\" height=\"1024\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/bolzenschweissen_da22m_optimiert.webp\" class=\"brxe-image sd-card-photo css-filter size-full\" alt=\"Metalworker stud welding with a DA-22M welding gun and shade 2 protective goggles\" id=\"brxe-pshmgu\" decoding=\"async\" data-type=\"string\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" srcset=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/bolzenschweissen_da22m_optimiert-300x200.webp 300w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/bolzenschweissen_da22m_optimiert-768x512.webp 768w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/bolzenschweissen_da22m_optimiert-1024x683.webp 1024w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/bolzenschweissen_da22m_optimiert.webp 1536w\"><\/p>\n<div id=\"brxe-bixgdn\" class=\"brxe-text-basic sd-number\">06<\/div>\n<h3 id=\"brxe-wfvshc\" class=\"brxe-heading \">Metal fabrication<\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"brxe-uzjgxa\" class=\"brxe-section sd-section sd-light\">\n<div id=\"brxe-yvofol\" class=\"brxe-container sd-inner\">\n<div id=\"brxe-jtmaqj\" class=\"brxe-div sd-grid sd-two\">\n<div id=\"brxe-qeiqxs\" class=\"brxe-div sd-image-space\"><img loading=\"lazy\" width=\"1672\" height=\"941\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fd-header.png\" class=\"brxe-image sd-procedure-photo css-filter size-full\" alt=\"FD stud with continuous external thread and conical tip against a dark industrial background\" id=\"brxe-ygvyhv\" decoding=\"async\" data-type=\"string\" sizes=\"auto, (max-width: 1672px) 100vw, 1672px\" srcset=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fd-header-300x169.png 300w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fd-header-768x432.png 768w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fd-header-1024x576.png 1024w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fd-header-1536x864.png 1536w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fd-header.png 1672w\"><\/div>\n<div id=\"brxe-xjmhvi\" class=\"brxe-div\">\n<div id=\"brxe-dtxcci\" class=\"brxe-text-basic sd-eyebrow\">PROCESSING<\/div>\n<h2 id=\"brxe-vpninn\" class=\"brxe-heading \">Stud welding<br \/>with drawn arc welding<\/h2>\n<div id=\"brxe-xhbeym\" class=\"brxe-text-basic\">The FD threaded stud is processed using drawn arc welding. The product source confirms manual and fully automatic processes. Welding parameters, stud holder and weld pool protection must be matched to the selected dimensions, material and base material.<\/div>\n<div id=\"brxe-ygjqqa\" class=\"brxe-text-basic sd-note\">Illustration: FD before welding. A photograph of the welded FD and a product-specific ceramic ferrule assignment are not available.<\/div>\n<p><a id=\"brxe-unvict\" class=\"brxe-button sd-button sd-link bricks-button\" href=\"https:\/\/www.stud-welding.de\/en\/the-3-welding-processes\/\">More about the process \u2192<\/a><\/div>\n<\/div>\n<\/div>\n<\/section>\n<style>#brxe-8489f2{position:relative;isolation:isolate;overflow:hidden;min-height:42.9167vw;justify-content:center;padding:64px 6%;background:#10191f;color:#fff;}#brxe-8489f2>.bricks-background-video-wrapper{inset:0!important;pointer-events:none;filter:brightness(.42);}#brxe-8489f2>.bricks-background-video-wrapper video{width:100%!important;height:100%!important;object-fit:cover!important;inset:0!important;transform:none!important;}#brxe-8489f2>.brxe-container{position:relative;z-index:1;}#brxe-8489f2 h2,#brxe-8489f2 h3,#brxe-8489f2 .sd-eyebrow{color:#fff;}@media(max-width:767px){#brxe-8489f2{min-height:360px;padding:48px 24px;}}<\/style>\n<section id=\"brxe-8489f2\" class=\"brxe-section sd-section sd-dark has-bg-video\">\n<div class=\"bricks-background-video-wrapper\" data-background-video-url=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/10\/Bolzenschweissgeraete-Header.mp4\" data-background-video-loop=\"1\"><video autoplay muted loop playsinline preload=\"metadata\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/10\/Bolzenschweissgeraete-Header.mp4\"><\/video><\/div>\n<div class=\"brxe-container sd-inner\">\n<div class=\"brxe-text-basic sd-eyebrow\">Solution Finder<\/div>\n<div class=\"brxe-block sd-grid sd-two\">\n<div class=\"brxe-block df-copy\">\n<h3 class=\"brxe-heading\">Need help choosing?<\/h3>\n<h2 class=\"brxe-heading\">Find the right solution for your application.<\/h2>\n<p><a class=\"brxe-button bricks-button\" href=\"https:\/\/www.stud-welding.de\/en\/solution-finder\/\">START SOLUTION FINDER<i class=\"ti-arrow-right\"><\/i><\/a><\/div>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"brxe-snzqwa\" class=\"brxe-section sd-section sd-light\">\n<div id=\"brxe-ttzxdr\" class=\"brxe-container sd-inner\">\n<div id=\"brxe-avdeqd\" class=\"brxe-text-basic sd-eyebrow\">SUITABLE EQUIPMENT<\/div>\n<h2 id=\"brxe-yhrnax\" class=\"brxe-heading \">Equipment for<br \/>FD welding tasks<\/h2>\n<div id=\"brxe-ccsnig\" class=\"brxe-div sd-grid sd-three\">\n<div id=\"brxe-zobsax\" class=\"brxe-div sd-tech-card\"><img loading=\"lazy\" width=\"1086\" height=\"1448\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/DAI-3300-transparent-komprimiert.png\" class=\"brxe-image sd-tech-photo css-filter size-full\" alt=\"DAI-3300 stud welder with connections and side cable storage\" id=\"brxe-nyfwhw\" decoding=\"async\" data-type=\"string\" sizes=\"auto, (max-width: 1086px) 100vw, 1086px\" srcset=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/DAI-3300-transparent-komprimiert-225x300.png 225w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/DAI-3300-transparent-komprimiert-768x1024.png 768w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/DAI-3300-transparent-komprimiert.png 1086w\"><\/p>\n<h3 id=\"brxe-tarnwu\" class=\"brxe-heading \">DAI-3300<\/h3>\n<div id=\"brxe-ilehhn\" class=\"brxe-text-basic\">Inverter for drawn arc welding. Agree the specific FD version with a suitable gun and accessories.<\/div>\n<p><a id=\"brxe-gsyhzo\" class=\"brxe-button sd-button sd-link bricks-button\" href=\"https:\/\/www.stud-welding.de\/en\/dai-3300\/\">Learn more \u2192<\/a><\/div>\n<div id=\"brxe-nabcyq\" class=\"brxe-div sd-tech-card\"><img loading=\"lazy\" width=\"1536\" height=\"1024\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/DA-22M-transparent-komprimiert.png\" class=\"brxe-image sd-tech-photo css-filter size-full\" alt=\"DA-22M stud welding gun with support legs and ceramic ferrule holder\" id=\"brxe-bwfhnc\" decoding=\"async\" data-type=\"string\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" srcset=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/DA-22M-transparent-komprimiert-300x200.png 300w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/DA-22M-transparent-komprimiert-768x512.png 768w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/DA-22M-transparent-komprimiert-1024x683.png 1024w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/DA-22M-transparent-komprimiert.png 1536w\"><\/p>\n<h3 id=\"brxe-uvrgty\" class=\"brxe-heading \">DA-22M<\/h3>\n<div id=\"brxe-wiqvth\" class=\"brxe-text-basic\">Drawn arc welding with ceramic ferrule. The manufacturer\u2019s range starts at M8: no general recommendation for FD M6. Have the FD accessories and application range checked.<\/div>\n<p><a id=\"brxe-qucite\" class=\"brxe-button sd-button sd-link bricks-button\" href=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2022\/01\/data-sheet-control-unit_Inverter-DAI-3300_20171027_en.pdf\">Technical documentation \u2192<\/a><\/div>\n<div id=\"brxe-frpihk\" class=\"brxe-div sd-tech-card\"><img loading=\"lazy\" width=\"1536\" height=\"1024\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/Codex-Bild-5.-Sept.-2026-10_46_24.png\" class=\"brxe-image sd-tech-photo css-filter size-full\" alt=\"CNC stud welding system with gantry, welding heads and control panel\" id=\"brxe-qbdgea\" decoding=\"async\" data-type=\"string\" data-btv-ai-media=\"basic\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" srcset=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/Codex-Bild-5.-Sept.-2026-10_46_24-300x200.png 300w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/Codex-Bild-5.-Sept.-2026-10_46_24-768x512.png 768w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/Codex-Bild-5.-Sept.-2026-10_46_24-1024x683.png 1024w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/Codex-Bild-5.-Sept.-2026-10_46_24.png 1536w\"><\/p>\n<h3 id=\"brxe-aojlji\" class=\"brxe-heading \">Automation &amp; CNC<\/h3>\n<div id=\"brxe-tbqhbz\" class=\"brxe-text-basic\">According to the product source, FD can also be processed fully automatically. Match the feeding system, welding head and system to the specific version.<\/div>\n<p><a id=\"brxe-xcqebp\" class=\"brxe-button sd-button sd-link bricks-button\" href=\"https:\/\/www.stud-welding.de\/en\/automation-cnc\/\">Learn more \u2192<\/a><\/div>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"brxe-tmumcu\" class=\"brxe-section sd-section sd-light\">\n<div id=\"brxe-pozdsm\" class=\"brxe-container sd-inner\">\n<div id=\"brxe-veepxe\" class=\"brxe-text-basic sd-eyebrow\">FAQ<\/div>\n<h2 id=\"brxe-sykldp\" class=\"brxe-heading \">Frequently asked questions<br \/>about FD threaded studs<\/h2>\n<div id=\"brxe-difbvq\" class=\"brxe-div sd-grid sd-two\">\n<div id=\"brxe-gvedys\" class=\"brxe-text\">\n<details class=\"sd-faq\">\n<summary>Which thread sizes and lengths does the FD data sheet list?<\/summary>\n<p>M6, M8, M10, M12, M16 and M20 are listed. A range of 15\u2013100 mm is stated for l\u2082. The document does not identify which lengths are available in each thread size; this is clarified on request.<\/p>\n<\/details>\n<\/div>\n<div id=\"brxe-nsbwrs\" class=\"brxe-text\">\n<details class=\"sd-faq\">\n<summary>Which materials are documented for FD?<\/summary>\n<p>The product page lists steel 4.8 and stainless steel A2-50. Other materials or specific material numbers are not specified in the available FD sources.<\/p>\n<\/details>\n<\/div>\n<div id=\"brxe-fbgirk\" class=\"brxe-text\">\n<details class=\"sd-faq\">\n<summary>What distinguishes an FD threaded stud?<\/summary>\n<p>FD is a threaded stud with a continuous external thread. The original photograph shows a flat end face and a conical welding tip.<\/p>\n<\/details>\n<\/div>\n<div id=\"brxe-ykbnzp\" class=\"brxe-text\">\n<details class=\"sd-faq\">\n<summary>Which process is used to weld FD?<\/summary>\n<p>The product source assigns FD to drawn arc stud welding. It lists manual and fully automatic processing.<\/p>\n<\/details>\n<\/div>\n<div id=\"brxe-waqfai\" class=\"brxe-text\">\n<details class=\"sd-faq\">\n<summary>How do I read the FD dimensional table?<\/summary>\n<p>d\u2081 denotes thread size. In the drawing, l\u2081 is length before welding and l\u2082 length after welding. d\u2083 and h\u2084 refer to the welding area after welding. According to the data sheet, the tip angle is 140\u00b0 with a tolerance of \u00b17\u00b0.<\/p>\n<\/details>\n<\/div>\n<div id=\"brxe-uykjby\" class=\"brxe-text\">\n<details class=\"sd-faq\">\n<summary>Which ceramic ferrule is used for FD?<\/summary>\n<p>The available FD sources do not specify a ceramic ferrule type. The correct assignment and weld pool protection must be confirmed for the selected FD version.<\/p>\n<\/details>\n<\/div>\n<div id=\"brxe-crffir\" class=\"brxe-text\">\n<details class=\"sd-faq\">\n<summary>Are DAI-3300 and DA-22M suitable for every FD?<\/summary>\n<p>The cards show drawn arc equipment. This does not constitute approval for every FD size. The manufacturer\u2019s DA-22M range starts at M8; FD M6 requires a different, suitably matched gun. Please clarify equipment selection and accessories based on the welding task.<\/p>\n<\/details>\n<\/div>\n<div id=\"brxe-uucunp\" class=\"brxe-text\">\n<details class=\"sd-faq\">\n<summary>Are special versions available?<\/summary>\n<p>We manufacture special studs to specific requirements. Specific special lengths, additional materials or other FD versions are not defined in the available sources and are requested individually.<\/p>\n<\/details>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"brxe-rsxtgr\" class=\"brxe-section sd-section sd-dark\"><img loading=\"lazy\" width=\"1672\" height=\"941\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fd-anfrage.png\" class=\"brxe-image sd-cover sd-detail css-filter size-full\" alt=\"Unwelded FD stud with continuous thread and conical tip in blue industrial lighting\" id=\"brxe-ipgiig\" decoding=\"async\" data-type=\"string\" sizes=\"auto, (max-width: 1672px) 100vw, 1672px\" srcset=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fd-anfrage-300x169.png 300w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fd-anfrage-768x432.png 768w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fd-anfrage-1024x576.png 1024w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fd-anfrage-1536x864.png 1536w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/fd-anfrage.png 1672w\"><\/p>\n<div id=\"brxe-yhfkha\" class=\"brxe-container sd-inner\">\n<div id=\"brxe-odpmzy\" class=\"brxe-text-basic sd-eyebrow\">SPECIAL DESIGNS<\/div>\n<h2 id=\"brxe-fimrag\" class=\"brxe-heading \">FD threaded studs<br \/>to your requirements<\/h2>\n<div id=\"brxe-gnsaui\" class=\"brxe-text-basic sd-lead\">Do you need a stud for a special welding task? We manufacture special studs to individual requirements. Send the thread size, required length, material, quantity and, where applicable, a drawing \u2013 we review the version.<\/div>\n<p><a id=\"brxe-ponglh\" class=\"brxe-button sd-button  bricks-button\" href=\"https:\/\/www.stud-welding.de\/en\/contact\/\">Enquire about a special design \u2192<\/a><\/div>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>STUD WELDING ELEMENTS \u2013 DRAWN ARC FULLY THREADEDSTUDSFD Continuous external thread \u00b7 type FD Fully threaded studs for drawn arc stud welding. For manual and fully automatic welding processes. Technical data \u2192Enquire about FD \u2192 M6 \u2013 M20 | l\u2082: 15 \u2013 100 mm | Steel 4.8 \u00b7 stainless steel A2-50 | On request FD [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-10305","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.stud-welding.de\/en\/wp-json\/wp\/v2\/pages\/10305","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stud-welding.de\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.stud-welding.de\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.stud-welding.de\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stud-welding.de\/en\/wp-json\/wp\/v2\/comments?post=10305"}],"version-history":[{"count":3,"href":"https:\/\/www.stud-welding.de\/en\/wp-json\/wp\/v2\/pages\/10305\/revisions"}],"predecessor-version":[{"id":12659,"href":"https:\/\/www.stud-welding.de\/en\/wp-json\/wp\/v2\/pages\/10305\/revisions\/12659"}],"wp:attachment":[{"href":"https:\/\/www.stud-welding.de\/en\/wp-json\/wp\/v2\/media?parent=10305"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}