{"id":1570,"date":"2023-11-11T19:10:26","date_gmt":"2023-11-11T18:10:26","guid":{"rendered":"https:\/\/multisecu.fr\/?p=1570"},"modified":"2026-10-10T12:36:36","modified_gmt":"2026-10-10T10:36:36","slug":"le-pene-de-la-serrure","status":"publish","type":"post","link":"https:\/\/www.multisecu.fr\/en\/glossaire\/le-pene-de-la-serrure\/","title":{"rendered":"The bolt of the lock: a small glossary of locksmithing"},"content":{"rendered":"<article class=\"wp-block-group ms-glossaire ms-glossaire-article is-layout-flow wp-block-group-is-layout-flow\">\n<section class=\"wp-block-group msg-section msg-hero is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group msg-wrap is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"msg-breadcrumb wp-block-paragraph\"><a href=\"\/en\/\">Home<\/a> <span> \/ <\/span> <a href=\"\/en\/category\/glossaire\/\">Locksmith glossary<\/a><\/p>\n\n\n<div class=\"wp-block-group msg-hero-grid is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group msg-hero-copy is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"msg-kicker wp-block-paragraph\">Components &amp; reference points<\/p>\n\n\n<h1 class=\"wp-block-heading\">The lock bolt<\/h1>\n\n\n<p class=\"msg-lead wp-block-paragraph\">The bolt is the moving part that engages with a strike plate to hold or lock a door. Its shape and operation depend on the function of the lock.<\/p>\n\n\n<p class=\"msg-meta wp-block-paragraph\">DEFINITION \u00b7 HOW IT WORKS \u00b7 ADVICE<\/p>\n\n<\/div>\n\n\n<figure class=\"wp-block-image size-full msg-photo msg-hero-photo\"><img decoding=\"async\" width=\"1920\" height=\"1280\" src=\"https:\/\/www.multisecu.fr\/wp-content\/uploads\/2023\/11\/porte-securisee-avec-cadre-de-porte-en-metal.jpg\" alt=\"The bolt of the lock \u2014 illustration from the MULTISECU glossary\" class=\"wp-image-1529\" srcset=\"https:\/\/www.multisecu.fr\/wp-content\/uploads\/2023\/11\/porte-securisee-avec-cadre-de-porte-en-metal.jpg 1920w, https:\/\/www.multisecu.fr\/wp-content\/uploads\/2023\/11\/porte-securisee-avec-cadre-de-porte-en-metal-300x200.jpg 300w, https:\/\/www.multisecu.fr\/wp-content\/uploads\/2023\/11\/porte-securisee-avec-cadre-de-porte-en-metal-1024x683.jpg 1024w, https:\/\/www.multisecu.fr\/wp-content\/uploads\/2023\/11\/porte-securisee-avec-cadre-de-porte-en-metal-768x512.jpg 768w, https:\/\/www.multisecu.fr\/wp-content\/uploads\/2023\/11\/porte-securisee-avec-cadre-de-porte-en-metal-1536x1024.jpg 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/figure>\n\n<\/div>\n\n<\/div>\n\n<\/section>\n\n\n<section class=\"wp-block-group msg-section is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group msg-wrap is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group msg-reading is-layout-flow wp-block-group-is-layout-flow\">\n<nav class=\"wp-block-group msg-toc is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"msg-kicker wp-block-paragraph\">IN THIS GUIDE<\/p>\n\n\n<p class=\"wp-block-paragraph\"><a href=\"#section-1\">Latch bolt and deadbolt: two functions<\/a><\/p>\n\n\n<p class=\"wp-block-paragraph\"><a href=\"#section-2\">Other types of bolts<\/a><\/p>\n\n\n<p class=\"wp-block-paragraph\"><a href=\"#section-3\">The decisive role of the strike plate<\/a><\/p>\n\n\n<p class=\"wp-block-paragraph\"><a href=\"#section-4\">Can the bolt alone be replaced?<\/a><\/p>\n\n\n<p class=\"msg-return wp-block-paragraph\"><a href=\"\/en\/category\/glossaire\/\">\u2190 All glossary terms<\/a><\/p>\n\n<\/nav>\n\n\n<div class=\"wp-block-group msg-prose is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group msg-note is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"msg-kicker wp-block-paragraph\">THE KEY POINT TO REMEMBER<\/p>\n\n\n<p class=\"wp-block-paragraph\">A deadbolt moves well: it extends to lock and retracts to unlock. 'Deadbolt' does not mean immobile.<\/p>\n\n<\/div>\n\n\n<section id=\"section-1\" class=\"wp-block-group msg-chapter is-layout-flow wp-block-group-is-layout-flow\">\n<h2 class=\"wp-block-heading\">Latch bolt and deadbolt: two functions<\/h2>\n\n\n<p class=\"wp-block-paragraph\">The half-bolt, usually beveled and spring-retained, holds the door in place after closure. The handle typically allows retraction of the bolt.<\/p>\n\n\n<p class=\"wp-block-paragraph\">The deadbolt is operated by the locking mechanism, often via a key or a button. Unlike a standard half-bolt, it does not simply enter the strike plate under pressure during closure.<\/p>\n\n<\/section>\n\n\n<section id=\"section-2\" class=\"wp-block-group msg-chapter is-layout-flow wp-block-group-is-layout-flow\">\n<h2 class=\"wp-block-heading\">Other types of bolts<\/h2>\n\n\n<p class=\"wp-block-paragraph\">Bolts can be rectangular, round, oval, or hook-shaped. A hook design may be suitable for a sliding closure, where the retention principle differs from that of a hinged door.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Some mechanisms use pivoting components or special movements. The shape alone does not establish a security classification: the complete mechanism and its strike plate must be assessed.<\/p>\n\n<\/section>\n\n\n<section id=\"section-3\" class=\"wp-block-group msg-chapter is-layout-flow wp-block-group-is-layout-flow\">\n<h2 class=\"wp-block-heading\">The decisive role of the strike plate<\/h2>\n\n\n<p class=\"wp-block-paragraph\">The bolt must penetrate sufficiently into its receiving chamber without abnormal friction. A sagging door or a misaligned strike plate may prevent proper closure, even if the lock case remains functional.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Every locking point on a multipoint lock must engage correctly. If the handle is difficult to lift or the key is stiff, have the mechanism checked before repeated force damages the parts.<\/p>\n\n<\/section>\n\n\n<section id=\"section-4\" class=\"wp-block-group msg-chapter is-layout-flow wp-block-group-is-layout-flow\">\n<h2 class=\"wp-block-heading\">Can the bolt alone be replaced?<\/h2>\n\n\n<p class=\"wp-block-paragraph\">It depends on the lock's design and the availability of parts. Some mechanisms can be repaired; others require replacement of the lock case or the entire unit.<\/p>\n\n\n<p class=\"wp-block-paragraph\">The diagnosis must also check the handle, cylinder, fittings, and frame. When a replacement is selected, the dimensions, operating direction, and strike plate compatibility guide the choice.<\/p>\n\n<\/section>\n\n\n<div class=\"wp-block-group msg-detail-media is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"msg-kicker wp-block-paragraph\">IN IMAGES<\/p>\n\n\n<div class=\"wp-block-group msg-gallery is-layout-flow wp-block-group-is-layout-flow\">\n<figure class=\"wp-block-image size-full msg-photo msg-detail-photo\"><img decoding=\"async\" width=\"800\" height=\"775\" src=\"https:\/\/www.multisecu.fr\/wp-content\/uploads\/2023\/11\/image-1-2.jpg\" alt=\"The bolt of the lock: view of the mechanism\" class=\"wp-image-1574\" srcset=\"https:\/\/www.multisecu.fr\/wp-content\/uploads\/2023\/11\/image-1-2.jpg 800w, https:\/\/www.multisecu.fr\/wp-content\/uploads\/2023\/11\/image-1-2-300x291.jpg 300w, https:\/\/www.multisecu.fr\/wp-content\/uploads\/2023\/11\/image-1-2-768x744.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n<figure class=\"wp-block-image size-full msg-photo msg-detail-photo\"><img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.multisecu.fr\/wp-content\/uploads\/2023\/11\/le-pene-de-la-serrure-annote-1024x683.jpg\" alt=\"the bolt of the lock annotated\" class=\"wp-image-1572\" srcset=\"https:\/\/www.multisecu.fr\/wp-content\/uploads\/2023\/11\/le-pene-de-la-serrure-annote-1024x683.jpg 1024w, https:\/\/www.multisecu.fr\/wp-content\/uploads\/2023\/11\/le-pene-de-la-serrure-annote-300x200.jpg 300w, https:\/\/www.multisecu.fr\/wp-content\/uploads\/2023\/11\/le-pene-de-la-serrure-annote-768x512.jpg 768w, https:\/\/www.multisecu.fr\/wp-content\/uploads\/2023\/11\/le-pene-de-la-serrure-annote-1536x1024.jpg 1536w, https:\/\/www.multisecu.fr\/wp-content\/uploads\/2023\/11\/le-pene-de-la-serrure-annote.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<\/div>\n\n<\/div>\n\n<\/div>\n\n<\/div>\n\n<\/div>\n\n<\/section>\n\n\n<section class=\"wp-block-group msg-section msg-related is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group msg-wrap is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"msg-kicker wp-block-paragraph\">FIND OUT MORE<\/p>\n\n\n<h2 class=\"wp-block-heading\">Related terms.<\/h2>\n\n\n<div class=\"wp-block-group msg-term-grid is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group msg-term is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"msg-kicker wp-block-paragraph\">GLOSSARY \u00b7 Components &amp; identification<\/p>\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.multisecu.fr\/en\/glossaire\/pene-demi-tour\/\">Latch bolt <span aria-hidden=\"true\">\u2197<\/span><\/a><\/h3>\n\n\n<p class=\"wp-block-paragraph\">The latch bolt is the moving component, often beveled and spring-assisted, which maintains the door closed when it reaches the strike plate. The handle typically allows for retraction of the bolt.<\/p>\n\n<\/div>\n\n\n<div class=\"wp-block-group msg-term is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"msg-kicker wp-block-paragraph\">GLOSSARY \u00b7 Components &amp; identification<\/p>\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.multisecu.fr\/en\/glossaire\/tetiere-de-serrure-definition\/\">The lock faceplate <span aria-hidden=\"true\">\u2197<\/span><\/a><\/h3>\n\n\n<p class=\"wp-block-paragraph\">The faceplate is the visible plate on the edge of a door fitted with a mortice lock. It houses the bolt passages and contributes to securing the mechanism within the door frame.<\/p>\n\n<\/div>\n\n\n<div class=\"wp-block-group msg-term is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"msg-kicker wp-block-paragraph\">GLOSSARY \u00b7 Types of lock<\/p>\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.multisecu.fr\/en\/glossaire\/serrure-a-relevage\/\">The lift-to-lock mechanism <span aria-hidden=\"true\">\u2197<\/span><\/a><\/h3>\n\n\n<p class=\"wp-block-paragraph\">A hinge-lift lock uses the upward movement of the handle to engage part of its locking points. The key is then used, on standard models, to secure the mechanism.<\/p>\n\n<\/div>\n\n<\/div>\n\n<\/div>\n\n<\/section>\n\n\n<section class=\"wp-block-group msg-section msg-call-section is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group msg-wrap is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group msg-call is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group msg-call-copy is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"msg-kicker wp-block-paragraph\">MULTISECU ADVICE<\/p>\n\n\n<h2 class=\"wp-block-heading\">Uncertain about your lock?<\/h2>\n\n\n<p class=\"wp-block-paragraph\">A photo of the mechanism, along with some details about your door: we help you identify the right solution.<\/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\/\">Contact us \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\/prestations\/\">View our services<\/a><\/div>\n\n<\/div>\n\n<\/div>\n\n<\/div>\n\n<\/section>\n\n<\/article>","protected":false},"excerpt":{"rendered":"<p>Accueil \/ Petit glossaire de serrurerie Les pi\u00e8ces &#038; les rep\u00e8res Le p\u00eane de la serrure Le p\u00eane est la pi\u00e8ce mobile qui s\u2019engage dans une g\u00e2che pour maintenir ou verrouiller une porte. Sa forme et son mode de commande varient selon la fonction de la serrure. D\u00c9FINITION \u00b7 FONCTIONNEMENT \u00b7 CONSEILS DANS CETTE FICHE [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":1529,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-1570","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossaire"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Lock Bolts: A Locksmith Glossary | MULTISECU<\/title>\n<meta name=\"description\" content=\"The bolt of the lock is a key component in the door&#039;s mechanism. We explain everything in this article!\" \/>\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\/glossaire\/le-pene-de-la-serrure\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lock Bolts: A Locksmith Glossary | MULTISECU\" \/>\n<meta property=\"og:description\" content=\"The bolt of the lock is a key component in the door&#039;s mechanism. We explain everything in this article!\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.multisecu.fr\/en\/glossaire\/le-pene-de-la-serrure\/\" \/>\n<meta property=\"og:site_name\" content=\"MULTISECU Serrurier Annecy\" \/>\n<meta property=\"article:published_time\" content=\"2023-11-11T18:10:26+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-10T10:36:36+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/multisecu.fr\/wp-content\/uploads\/2023\/11\/porte-securisee-avec-cadre-de-porte-en-metal.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=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.multisecu.fr\\\/glossaire\\\/le-pene-de-la-serrure\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.multisecu.fr\\\/glossaire\\\/le-pene-de-la-serrure\\\/\"},\"author\":{\"name\":\"Romain ROSA\",\"@id\":\"https:\\\/\\\/www.multisecu.fr\\\/#\\\/schema\\\/person\\\/c4360f76348cbf8ab4a182754e6bcef3\"},\"headline\":\"Le p\u00eane de la serrure : petit glossaire de serrurerie\",\"datePublished\":\"2023-11-11T18:10:26+00:00\",\"dateModified\":\"2026-10-10T10:36:36+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.multisecu.fr\\\/glossaire\\\/le-pene-de-la-serrure\\\/\"},\"wordCount\":616,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.multisecu.fr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.multisecu.fr\\\/glossaire\\\/le-pene-de-la-serrure\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.multisecu.fr\\\/wp-content\\\/uploads\\\/2023\\\/11\\\/porte-securisee-avec-cadre-de-porte-en-metal.jpg\",\"articleSection\":[\"Petit Glossaire de Serrurerie\"],\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.multisecu.fr\\\/glossaire\\\/le-pene-de-la-serrure\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.multisecu.fr\\\/glossaire\\\/le-pene-de-la-serrure\\\/\",\"url\":\"https:\\\/\\\/www.multisecu.fr\\\/glossaire\\\/le-pene-de-la-serrure\\\/\",\"name\":\"Le p\u00eane de la serrure : petit glossaire de serrurerie - MULTISECU Serrurier Annecy\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.multisecu.fr\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.multisecu.fr\\\/glossaire\\\/le-pene-de-la-serrure\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.multisecu.fr\\\/glossaire\\\/le-pene-de-la-serrure\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.multisecu.fr\\\/wp-content\\\/uploads\\\/2023\\\/11\\\/porte-securisee-avec-cadre-de-porte-en-metal.jpg\",\"datePublished\":\"2023-11-11T18:10:26+00:00\",\"dateModified\":\"2026-10-10T10:36:36+00:00\",\"description\":\"Le p\u00eane de la serrure est une pi\u00e8ce essentielle dans le m\u00e9canisme de votre porte. 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