{"id":2242,"date":"2024-02-16T14:45:44","date_gmt":"2024-02-16T13:45:44","guid":{"rendered":"https:\/\/multisecu.fr\/?p=2242"},"modified":"2026-10-10T14:23:05","modified_gmt":"2026-10-10T12:23:05","slug":"comment-extraire-une-cle-cassee-dans-une-serrure","status":"publish","type":"post","link":"https:\/\/www.multisecu.fr\/en\/conseils\/comment-extraire-une-cle-cassee-dans-une-serrure\/","title":{"rendered":"How to extract a broken key from a lock?"},"content":{"rendered":"<article class=\"wp-block-group ms-conseils ms-conseils-article is-layout-flow wp-block-group-is-layout-flow\">\n<section class=\"wp-block-group msc-section msc-hero is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group msc-wrap is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"msc-breadcrumb wp-block-paragraph\"><a href=\"\/en\/\">Home<\/a><span>\/<\/span><a href=\"\/en\/category\/conseils\/\">Locksmith advice<\/a><\/p>\n\n\n<div class=\"wp-block-group msc-hero-grid is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group msc-hero-copy is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"msc-kicker wp-block-paragraph\">Emergency locksmith<\/p>\n\n\n<h1 class=\"wp-block-heading\">Broken key inside the lock: extraction or replacement?<\/h1>\n\n\n<p class=\"msc-lead wp-block-paragraph\">When a key breaks, the fragment may remain in the cylinder without rendering the entire lock inoperable. The next steps depend on its position, the cause of the break, and the condition of the mechanism.<\/p>\n\n\n<p class=\"msc-meta wp-block-paragraph\">PRACTICAL GUIDE <span>\u00b7<\/span> 2-MINUTE READ<\/p>\n\n<\/div>\n\n\n<figure class=\"wp-block-image size-full msc-photo msc-hero-photo\"><img decoding=\"async\" width=\"800\" height=\"350\" src=\"https:\/\/www.multisecu.fr\/wp-content\/uploads\/2023\/02\/Cle-cassee-blog.jpg\" alt=\"Broken key: fragment to remove from cylinder\" class=\"wp-image-447\" srcset=\"https:\/\/www.multisecu.fr\/wp-content\/uploads\/2023\/02\/Cle-cassee-blog.jpg 800w, https:\/\/www.multisecu.fr\/wp-content\/uploads\/2023\/02\/Cle-cassee-blog-300x131.jpg 300w, https:\/\/www.multisecu.fr\/wp-content\/uploads\/2023\/02\/Cle-cassee-blog-768x336.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n<\/div>\n\n<\/div>\n\n<\/section>\n\n\n<section class=\"wp-block-group msc-section msc-story is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group msc-wrap is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group msc-reading is-layout-flow wp-block-group-is-layout-flow\">\n<nav class=\"wp-block-group msc-toc is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"msc-kicker wp-block-paragraph\">IN THIS GUIDE<\/p>\n\n\n<p class=\"wp-block-paragraph\"><a href=\"#chapitre-1\">Keep the situation as simple as possible<\/a><\/p>\n\n\n<p class=\"wp-block-paragraph\"><a href=\"#chapitre-2\">Why some attempts worsen the failure<\/a><\/p>\n\n\n<p class=\"wp-block-paragraph\"><a href=\"#chapitre-3\">Assess the possibility of extraction<\/a><\/p>\n\n\n<p class=\"wp-block-paragraph\"><a href=\"#chapitre-4\">Address the root cause and verify the result<\/a><\/p>\n\n\n<p class=\"msc-toc-back wp-block-paragraph\"><a href=\"\/en\/category\/conseils\/\">\u2190 All advice<\/a><\/p>\n\n<\/nav>\n\n\n<div class=\"wp-block-group msc-prose is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group msc-takeaway is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"msc-kicker wp-block-paragraph\">KEY POINTS<\/p>\n\n\n<p class=\"wp-block-paragraph\">Do not apply glue in the keyway. It may jam internal parts and turn a possible extraction into a necessary replacement.<\/p>\n\n<\/div>\n\n\n<section id=\"chapitre-1\" class=\"wp-block-group msc-chapter is-layout-flow wp-block-group-is-layout-flow\">\n<h2 class=\"wp-block-heading\">Keep the situation as simple as possible<\/h2>\n\n\n<p class=\"wp-block-paragraph\">If the door is open, keep it open. Store the broken key piece and prepare a good-quality duplicate if you have one. Do not push the duplicate against the remaining fragment inside.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Simply observe whether the fragment protrudes and whether the cylinder appears to be stuck in a rotated position. Avoid attempting to turn the mechanism with the broken piece or a pair of tweezers.<\/p>\n\n<\/section>\n\n\n<section id=\"chapitre-2\" class=\"wp-block-group msc-chapter is-layout-flow wp-block-group-is-layout-flow\">\n<h2 class=\"wp-block-heading\">Why some attempts worsen the failure<\/h2>\n\n\n<p class=\"wp-block-paragraph\">Using an overly large tool may push the fragment back or damage the keyway. Improvised blades, glue, and repeated manipulation can complicate the extraction process.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Adding a product is not a universal solution. Some cylinders require specific maintenance instructions. Do not heat the mechanism and do not use any mixture designed to create a thermal shock.<\/p>\n\n<\/section>\n\n\n<section id=\"chapitre-3\" class=\"wp-block-group msc-chapter is-layout-flow wp-block-group-is-layout-flow\">\n<h2 class=\"wp-block-heading\">Assess the possibility of extraction<\/h2>\n\n\n<p class=\"wp-block-paragraph\">A professional has the right tools and techniques tailored to the position of the fragment and the cylinder system. The possibility of retaining the piece should be assessed before deciding on replacement.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Extraction is not guaranteed in all cases. A damaged cylinder, a faulty internal component, or a break associated with a broader jam may necessitate a full replacement.<\/p>\n\n<\/section>\n\n\n<section id=\"chapitre-4\" class=\"wp-block-group msc-chapter is-layout-flow wp-block-group-is-layout-flow\">\n<h2 class=\"wp-block-heading\">Address the root cause and verify the result<\/h2>\n\n\n<p class=\"wp-block-paragraph\">After removal, test with a working key and check the door opening and closing functions. A resistance only during door closing may indicate a misalignment issue.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Replace a bent or cracked key. If the cylinder needs changing, verify dimensions, operation, and compatibility with the lock. MULTISECU can clarify whether the intervention concerns the key, the cylinder, or another locking component.<\/p>\n\n<\/section>\n\n<\/div>\n\n<\/div>\n\n<\/div>\n\n<\/section>\n\n\n<section class=\"wp-block-group msc-section msc-related is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group msc-wrap is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"msc-kicker wp-block-paragraph\">RELATED READING<\/p>\n\n\n<h2 class=\"wp-block-heading\">Related advice.<\/h2>\n\n\n<div class=\"wp-block-group msc-related-grid is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group msc-related-card is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"msc-kicker wp-block-paragraph\">Emergency locksmith<\/p>\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.multisecu.fr\/en\/conseils\/cle-cassee-dans-la-serrure-a-23h-que-faire-et-qui-appeler-a-annecy\/\">Key Snapped in the Lock at 11pm: What to Do in Annecy <span aria-hidden=\"true\">\u2197<\/span><\/a><\/h3>\n\n\n<p class=\"wp-block-paragraph\">A key that breaks when inserted into the door can quickly become stressful, especially late in the evening. Sound judgment helps minimise damage and prepares for more effective locksmith assistance.<\/p>\n\n<\/div>\n\n\n<div class=\"wp-block-group msc-related-card is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"msc-kicker wp-block-paragraph\">Maintenance &amp; adjustments<\/p>\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.multisecu.fr\/en\/conseils\/quel-lubrifiant-pour-serrure-utiliser-et-lesquels-eviter\/\">Which lubricant should you use for a lock? <span aria-hidden=\"true\">\u2197<\/span><\/a><\/h3>\n\n\n<p class=\"wp-block-paragraph\">A key that sticks often prompts the use of the first available product. However, proper maintenance depends on the cylinder or the lock: not all mechanisms accept the same lubricants.<\/p>\n\n<\/div>\n\n\n<div class=\"wp-block-group msc-related-card is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"msc-kicker wp-block-paragraph\">Emergency locksmith<\/p>\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.multisecu.fr\/en\/conseils\/problemes-de-serrure-les-plus-courants-a-annecy\/\">The 5 most common lock problems <span aria-hidden=\"true\">\u2197<\/span><\/a><\/h3>\n\n\n<p class=\"wp-block-paragraph\">Stiff key, loose handle, or door that no longer closes: symptoms help identify the fault. Here are five frequent scenarios and useful checks to avoid worsening the issue.<\/p>\n\n<\/div>\n\n<\/div>\n\n<\/div>\n\n<\/section>\n\n\n<section class=\"wp-block-group msc-section msc-call-section is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group msc-wrap is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group msc-call is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group msc-call-copy is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"msc-kicker wp-block-paragraph\">MULTISECU ADVICE<\/p>\n\n\n<h2 class=\"wp-block-heading\">Let\u2019s move from your question<br>to the right solution.<\/h2>\n\n\n<p class=\"wp-block-paragraph\">A photo of your installation and a few details help us prepare the diagnosis. In Annecy and the surrounding areas, we explain the options best suited to your needs.<\/p>\n\n<\/div>\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"\/en\/contact\/\">Tell us what you need \u2197<\/a><\/div>\n\n\n<div class=\"wp-block-button is-style-outline is-style-outline--1\"><a class=\"wp-block-button__link wp-element-button\" href=\"\/en\/tarifs\/\">View prices<\/a><\/div>\n\n<\/div>\n\n<\/div>\n\n<\/div>\n\n<\/section>\n\n<\/article>","protected":false},"excerpt":{"rendered":"<p>Accueil\/Conseils de serrurier D\u00e9pannage Cl\u00e9 cass\u00e9e dans la serrure : extraction ou remplacement ? Lorsqu\u2019une cl\u00e9 se rompt, le fragment peut rester dans le cylindre sans que toute la serrure soit hors d\u2019usage. La suite d\u00e9pend de sa position, de la cause de la casse et de l\u2019\u00e9tat du m\u00e9canisme. GUIDE PRATIQUE \u00b7 2 MIN [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":1647,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-2242","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-conseils"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Deal with a Key Broken in a Lock | MULTISECU<\/title>\n<meta name=\"description\" content=\"Here&#039;s exactly how to extract a broken key from a lock like a pro, using the right tools and without damaging the lock.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.multisecu.fr\/en\/conseils\/comment-extraire-une-cle-cassee-dans-une-serrure\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Deal with a Key Broken in a Lock | MULTISECU\" \/>\n<meta property=\"og:description\" content=\"Here&#039;s exactly how to extract a broken key from a lock like a pro, using the right tools and without damaging the lock.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.multisecu.fr\/en\/conseils\/comment-extraire-une-cle-cassee-dans-une-serrure\/\" \/>\n<meta property=\"og:site_name\" content=\"MULTISECU Serrurier Annecy\" \/>\n<meta property=\"article:published_time\" content=\"2024-02-16T13:45:44+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-10T12:23:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/multisecu.fr\/wp-content\/uploads\/2023\/11\/copie-de-cle-a-annecy.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1280\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Romain ROSA\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Romain ROSA\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.multisecu.fr\\\/conseils\\\/comment-extraire-une-cle-cassee-dans-une-serrure\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.multisecu.fr\\\/conseils\\\/comment-extraire-une-cle-cassee-dans-une-serrure\\\/\"},\"author\":{\"name\":\"Romain ROSA\",\"@id\":\"https:\\\/\\\/www.multisecu.fr\\\/#\\\/schema\\\/person\\\/c4360f76348cbf8ab4a182754e6bcef3\"},\"headline\":\"Comment extraire une cl\u00e9 cass\u00e9e dans une serrure ?\",\"datePublished\":\"2024-02-16T13:45:44+00:00\",\"dateModified\":\"2026-10-10T12:23:05+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.multisecu.fr\\\/conseils\\\/comment-extraire-une-cle-cassee-dans-une-serrure\\\/\"},\"wordCount\":652,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.multisecu.fr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.multisecu.fr\\\/conseils\\\/comment-extraire-une-cle-cassee-dans-une-serrure\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.multisecu.fr\\\/wp-content\\\/uploads\\\/2023\\\/11\\\/copie-de-cle-a-annecy.jpg\",\"articleSection\":[\"Conseils de Serrurier\"],\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.multisecu.fr\\\/conseils\\\/comment-extraire-une-cle-cassee-dans-une-serrure\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.multisecu.fr\\\/conseils\\\/comment-extraire-une-cle-cassee-dans-une-serrure\\\/\",\"url\":\"https:\\\/\\\/www.multisecu.fr\\\/conseils\\\/comment-extraire-une-cle-cassee-dans-une-serrure\\\/\",\"name\":\"Comment extraire une cl\u00e9 cass\u00e9e dans une serrure ? 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Passionn\u00e9 par ce m\u00e9tier qui allie s\u00e9curisation et d\u00e9pannage, il aime partager ses connaissances au travers de son site pour conseiller et aider ses visiteurs avec leurs probl\u00e9matiques li\u00e9es \u00e0 la serrurerie.\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"How to Deal with a Key Broken in a Lock | MULTISECU","description":"Here's exactly how to extract a broken key from a lock like a pro, using the right tools and without damaging the lock.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.multisecu.fr\/en\/conseils\/comment-extraire-une-cle-cassee-dans-une-serrure\/","og_locale":"en_GB","og_type":"article","og_title":"How to Deal with a Key Broken in a Lock | MULTISECU","og_description":"Here's exactly how to extract a broken key from a lock like a pro, using the right tools and 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