{"id":2513,"date":"2024-03-25T11:11:31","date_gmt":"2024-03-25T10:11:31","guid":{"rendered":"https:\/\/multisecu.fr\/?p=2513"},"modified":"2026-10-10T12:35:06","modified_gmt":"2026-10-10T10:35:06","slug":"difference-entre-serrure-et-cylindre","status":"publish","type":"post","link":"https:\/\/www.multisecu.fr\/en\/glossaire\/difference-entre-serrure-et-cylindre\/","title":{"rendered":"The difference between a lock and a door cylinder"},"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\">Lock and cylinder: the difference<\/h1>\n\n\n<p class=\"msg-lead wp-block-paragraph\">The lock is the mechanism that controls the door closure. The cylinder, also known as the lock cylinder, is the component that receives the key and enables the command of this mechanism.<\/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\" src=\"https:\/\/www.multisecu.fr\/wp-content\/uploads\/2024\/02\/changement-de-serrure-771x1024.jpg\" alt=\"Lock and cylinder: the difference \u2014 illustration from the MULTISECU glossary\"\/><\/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\">The role of the lock<\/a><\/p>\n\n\n<p class=\"wp-block-paragraph\"><a href=\"#section-2\">The role of the cylinder<\/a><\/p>\n\n\n<p class=\"wp-block-paragraph\"><a href=\"#section-3\">Which component needs to be replaced?<\/a><\/p>\n\n\n<p class=\"wp-block-paragraph\"><a href=\"#section-4\">A comprehensive review of the protection<\/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\">Changing keys does not always require replacing the entire lock.<\/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\">The role of the lock<\/h2>\n\n\n<p class=\"wp-block-paragraph\">The lock case contains the components that move the bolts. It may be recessed into the door or fitted to its surface. Strikes fixed to the frame receive the locking bolts.<\/p>\n\n\n<p class=\"wp-block-paragraph\">A multipoint lock links several anchoring points to a single command. Its condition and adjustment directly affect the ease of 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\">The role of the cylinder<\/h2>\n\n\n<p class=\"wp-block-paragraph\">The cylinder mechanically identifies the correct key and transmits its rotation via a cam or an appropriate drive mechanism. Many models can be replaced independently of the lock case.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Not all cylinders rely on the same technology. The profile, lengths, drive mechanism, and functions must match the lock. The number of pins alone does not reflect its security.<\/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\">Which component needs to be replaced?<\/h2>\n\n\n<p class=\"wp-block-paragraph\">After a key loss or move-in, replacing the cylinder may be sufficient to eliminate access with old keys, provided the rest of the mechanism is in good condition.<\/p>\n\n\n<p class=\"wp-block-paragraph\">A jammed handle, a bolt that no longer retracts or a broken operating rod may require a lock case repair instead. A door that is difficult to close may simply need adjustment.<\/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\">A comprehensive review of the protection<\/h2>\n\n\n<p class=\"wp-block-paragraph\">The lock, cylinder, door furniture, and frame work together. A reinforced cylinder that is misaligned or excessively oversized remains poorly protected.<\/p>\n\n\n<p class=\"wp-block-paragraph\">For an A2P lock, replacement must adhere to the certified configuration. Key reproduction conditions also depend on the selected system and the manufacturer's requested documentation.<\/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=\"650\" height=\"650\" src=\"https:\/\/www.multisecu.fr\/wp-content\/uploads\/2024\/01\/image-7.jpg\" alt=\"The difference between a lock and a door cylinder: a door cylinder\" class=\"wp-image-2007\" srcset=\"https:\/\/www.multisecu.fr\/wp-content\/uploads\/2024\/01\/image-7.jpg 650w, https:\/\/www.multisecu.fr\/wp-content\/uploads\/2024\/01\/image-7-300x300.jpg 300w, https:\/\/www.multisecu.fr\/wp-content\/uploads\/2024\/01\/image-7-150x150.jpg 150w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/><\/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\/le-cylindre-de-serrure\/\">The lock cylinder, or barrel <span aria-hidden=\"true\">\u2197<\/span><\/a><\/h3>\n\n\n<p class=\"wp-block-paragraph\">The cylinder is the part of the lock that receives the key and enables its operation on the mechanism. It is often replaceable independently of the safe, allowing, for example, key changes without replacing the entire lock.<\/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\/definition-panneton\/\">The cam <span aria-hidden=\"true\">\u2197<\/span><\/a><\/h3>\n\n\n<p class=\"wp-block-paragraph\">On a cylinder, the cam is the driving component that rotates to engage the lock mechanism. The same term also refers to the active part of certain keyed cylinders.<\/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-carenee-glossaire\/\">The full-length covered multipoint lock <span aria-hidden=\"true\">\u2197<\/span><\/a><\/h3>\n\n\n<p class=\"wp-block-paragraph\">A full-length covered multipoint lock is a rim lock whose mechanism and trim are enclosed by a cover. It provides a continuous finish on the interior face of the door.<\/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 Serrure et cylindre : la diff\u00e9rence La serrure est le m\u00e9canisme qui commande la fermeture de la porte. Le cylindre, aussi appel\u00e9 barillet, est la pi\u00e8ce qui re\u00e7oit la cl\u00e9 et autorise la commande de ce m\u00e9canisme. D\u00c9FINITION \u00b7 FONCTIONNEMENT \u00b7 CONSEILS DANS CETTE [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":2516,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-2513","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>Door Lock or Cylinder: What Is the Difference? | MULTISECU<\/title>\n<meta name=\"description\" content=\"What&#039;s the difference between a lock and a door cylinder? 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