{"id":115,"date":"2026-09-08T15:57:51","date_gmt":"2026-09-08T15:57:51","guid":{"rendered":"https:\/\/serrurefrance.fr\/?page_id=115"},"modified":"2026-10-09T09:04:16","modified_gmt":"2026-10-09T09:04:16","slug":"mesurer-cylindre-serrure","status":"publish","type":"page","link":"https:\/\/serrurefrance.fr\/index.php\/guides\/mesurer-cylindre-serrure\/","title":{"rendered":"Mesurer un cylindre de serrure avant de l\u2019acheter"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"115\" class=\"elementor elementor-115\">\n\t\t\t\t<div class=\"elementor-element elementor-element-730000c e-con-full sf-r e-flex e-con e-parent\" data-id=\"730000c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-7300003 e-con-full sf-section sf-hero sf-cream e-flex e-con e-child\" data-id=\"7300003\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element 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main>.wp-block-group:empty{display:none}.sf-r .elementor-element-7300005{--photo-label:\"Photo \u00e0 ajouter \u00b7 Vue du cylindre et de la vis de fixation\"}\n.sf-r .elementor-element-7300007{--photo-label:\"Photo \u00e0 ajouter \u00b7 Mesure de chaque c\u00f4t\u00e9 du trou de fixation\"}\n@media(max-width:600px){.sf-r .sf-tabs a,.sf-r .sf-tags a{min-height:44px;display:inline-flex;align-items:center}.sf-r .sf-btn,.sf-help .sf-btn{min-height:48px}.sf-r .sf-card-body,.sf-help .sf-card{min-width:0}.sf-r img,.sf-help img{max-width:100%}}<\/style><nav class=\"sf-tabs\" aria-label=\"Prix et guides\"><a href=\"https:\/\/serrurefrance.fr\/index.php\/prix-guides\/\" >Prix<\/a><a href=\"https:\/\/serrurefrance.fr\/index.php\/guides\/\" aria-current=\"page\">Guides<\/a><\/nav><p class=\"sf-crumb\"><a href=\"https:\/\/serrurefrance.fr\/index.php\/guides\/\">Guides<\/a> \/ Pr\u00e9parer un achat<\/p><p class=\"sf-eyebrow\">Guide pratique \u00b7 Mesure du cylindre<\/p><h1>Mesurer un cylindre<br>avant de l\u2019acheter.<\/h1><p class=\"sf-lead\">Une longueur totale ne suffit pas : il faut conna\u00eetre la mesure de chaque c\u00f4t\u00e9 de la vis de fixation. Voici comment pr\u00e9parer les bonnes cotes et \u00e9viter une commande inadapt\u00e9e.<\/p><p class=\"sf-small\">Publi\u00e9 le 8 septembre 2026 \u00b7 Exemples enrichis le 13 septembre 2026 \u00b7 Pour un cylindre europ\u00e9en d\u00e9montable, sur une porte ouverte<\/p><style>.sf-lab{margin:30px 0;padding:24px;border:1px solid #dce2dc;border-radius:12px;background:#f7f8f5;overflow-wrap:anywhere}.sf-lab h2,.sf-lab h3{margin-top:0!important}.sf-lab-table{width:100%;border-collapse:collapse;background:#fff;font-size:14px;line-height:1.6}.sf-lab-table th,.sf-lab-table td{border:1px solid #dce2dc;text-align:left;vertical-align:top;padding:14px}.sf-lab-table thead th{background:#26372f;color:#fff}.sf-lab-table tbody th{background:#edf1e8}.sf-lab-table caption{text-align:left;color:#55605c;font-size:13px;padding-bottom:12px}.sf-lab .sf-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}.sf-lab .sf-example{padding:18px;border:1px solid #dce2dc;background:#fff;border-radius:9px;min-width:0}.sf-lab .sf-example h3{font-size:18px!important}.sf-lab .sf-example p{font-size:14px}.sf-lab figcaption,.sf-lab .sf-source{font-size:12px;color:#55605c;line-height:1.6}.sf-lab .sf-sum{background:#26372f;color:#fff;padding:18px;border-radius:8px;margin:18px 0}.sf-lab details{padding:16px;margin-top:16px;background:#fff;border:1px solid #dce2dc;border-radius:8px}.sf-lab figure{margin:18px 0}.sf-lab img{max-width:100%;width:100%;height:auto;object-fit:contain;border-radius:10px}.sf-lab .sf-dim{display:grid;grid-template-columns:3fr 4fr;border:1px solid #b5bdb3;border-radius:8px;overflow:hidden;margin:12px 0 24px}.sf-lab .sf-dim.equal{grid-template-columns:1fr 1fr}.sf-lab .sf-dim span{padding:18px 8px;text-align:center;background:#e3ecdc}.sf-lab .sf-dim span+span{border-left:3px solid #26372f;background:#f3e7d2}.sf-lab .sf-dim strong{display:block;font-size:22px}.sf-lab .sf-dim small{display:block;font-size:12px}@media(max-width:600px){.sf-lab{padding:18px}.sf-lab .sf-cards{grid-template-columns:1fr}.sf-lab-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.sf-lab-table tbody,.sf-lab-table tr,.sf-lab-table tbody th,.sf-lab-table td{display:block;width:100%}.sf-lab-table tr{margin-bottom:14px}.sf-lab-table td:before{content:attr(data-label);display:block;font-weight:600;font-size:12px;color:#55605c;margin-bottom:5px}}<\/style>\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-730000b e-con-full sf-section  e-flex e-con e-child\" data-id=\"730000b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-730000a e-con-full sf-wrap e-flex e-con e-child\" data-id=\"730000a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-7300009 e-con-full sf-copy e-flex e-con e-child\" data-id=\"7300009\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7300004 elementor-widget elementor-widget-html\" data-id=\"7300004\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<div class=\"sf-note\"><p><strong>Commencez porte ouverte, avec la cl\u00e9 disponible.<\/strong> Ce guide concerne une installation que vous \u00eates autoris\u00e9 \u00e0 modifier. Si la porte est ferm\u00e9e, la pi\u00e8ce bloqu\u00e9e ou le mod\u00e8le difficile \u00e0 identifier, faites relever les mesures par un professionnel.<\/p><\/div><h2>1. Identifiez ce que vous mesurez<\/h2><p>Le cylindre est la pi\u00e8ce qui re\u00e7oit la cl\u00e9. Un mod\u00e8le europ\u00e9en se reconna\u00eet \u00e0 son profil caract\u00e9ristique, arrondi en haut et plus \u00e9troit vers le bas. Certains mod\u00e8les ronds ou sp\u00e9cifiques ne se commandent pas de la m\u00eame mani\u00e8re.<\/p><p>Pr\u00e9parez une r\u00e8gle gradu\u00e9e en millim\u00e8tres, de quoi noter et, si le d\u00e9montage est adapt\u00e9 \u00e0 votre installation, un tournevis correspondant \u00e0 la vis. Photographiez les faces int\u00e9rieure et ext\u00e9rieure ainsi que le chant de la porte. \u00c9vitez de diffuser le num\u00e9ro de cl\u00e9 ou de carte sur une photo publique.<\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7300005 elementor-widget elementor-widget-html\" data-id=\"7300005\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<figure class=\"sf-lab\" aria-labelledby=\"sf-cotes\"><h2 id=\"sf-cotes\">70 mm au total : deux r\u00e9partitions diff\u00e9rentes.<\/h2><p>La s\u00e9paration verticale repr\u00e9sente l\u2019axe de la vis de fixation. Les deux mesures partent de cet axe jusqu\u2019aux extr\u00e9mit\u00e9s du corps.<\/p><p><strong>Exemple A \u2014 ext\u00e9rieur 30 mm \/ int\u00e9rieur 40 mm<\/strong><\/p><div class=\"sf-dim\"><span><strong>30 mm<\/strong><small>C\u00f4t\u00e9 ext\u00e9rieur<\/small><\/span><span><strong>40 mm<\/strong><small>C\u00f4t\u00e9 int\u00e9rieur<\/small><\/span><\/div><p><strong>Exemple B \u2014 ext\u00e9rieur 35 mm \/ int\u00e9rieur 35 mm<\/strong><\/p><div class=\"sf-dim equal\"><span><strong>35 mm<\/strong><small>C\u00f4t\u00e9 ext\u00e9rieur<\/small><\/span><span><strong>35 mm<\/strong><small>C\u00f4t\u00e9 int\u00e9rieur<\/small><\/span><\/div><figcaption>Comparaison des longueurs du corps, hors bouton et hors cl\u00e9. Les totaux valent tous deux 70 mm ; la fixation n\u2019occupe pas la m\u00eame position. Confirmez l\u2019ordre des cotes sur la fiche du vendeur. <a href=\"https:\/\/bricard.com\/particuliers\/cylindre\/\" target=\"_blank\" rel=\"noopener\">Rep\u00e8res de mesure Bricard<\/a>.<\/figcaption><\/figure>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7300006 elementor-widget elementor-widget-html\" data-id=\"7300006\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<h2>2. Rep\u00e9rez l\u2019axe de la vis<\/h2><p>Sur un cylindre europ\u00e9en classique, la vis de maintien se situe sur le chant de la porte, \u00e0 hauteur du cylindre. Son axe est le point de d\u00e9part des deux mesures : il ne faut pas simplement diviser la longueur totale par deux.<\/p><p>Si vous retirez le cylindre, gardez la porte ouverte : d\u00e9vissez sa fixation, puis utilisez la cl\u00e9 pour aligner le panneton et sortir la pi\u00e8ce sans forcer. Conservez les \u00e9l\u00e9ments ensemble. Un cylindre qui r\u00e9siste ou une serrure particuli\u00e8re demande une v\u00e9rification, pas un d\u00e9montage suppl\u00e9mentaire \u00e0 l\u2019aveugle.<\/p><p class=\"sf-small\">M\u00e9thode de retrait et de contr\u00f4le : <a href=\"https:\/\/bricard.com\/particuliers\/cylindre\/\" target=\"_blank\" rel=\"noopener\">Bricard \u2014 aide au choix et \u00e0 l\u2019installation \u2197<\/a>.<\/p><h2>3. Notez s\u00e9par\u00e9ment les deux longueurs<\/h2><p>Mesurez depuis le centre du trou de fixation jusqu\u2019\u00e0 chaque extr\u00e9mit\u00e9 du corps du cylindre. Identifiez clairement la face qui \u00e9tait \u00e0 l\u2019ext\u00e9rieur et celle qui \u00e9tait \u00e0 l\u2019int\u00e9rieur. Exprimez les deux r\u00e9sultats en millim\u00e8tres.<\/p><div class=\"sf-note\"><p><strong>Exemple de lecture : 30 + 40 mm<\/strong><br>30 mm c\u00f4t\u00e9 ext\u00e9rieur + 40 mm c\u00f4t\u00e9 int\u00e9rieur = 70 mm au total. Un cylindre de 35 + 35 mm a la m\u00eame longueur totale, mais la position de sa fixation est diff\u00e9rente.<\/p><\/div><p>Les appellations A\/B ou ext\u00e9rieur\/int\u00e9rieur peuvent varier selon les fiches marchandes. V\u00e9rifiez la convention du vendeur, surtout pour un mod\u00e8le asym\u00e9trique ou \u00e0 bouton. Mesurez le corps du cylindre ; le bouton ne s\u2019ajoute pas \u00e0 la cote comme une longueur de cylindre.<\/p><p class=\"sf-small\">Rep\u00e8res de mesure : <a href=\"https:\/\/www.vachette.fr\/site-images\/cote-professionnel\/nos-projets-et-solutions\/je-passe-a-laction\/conseils-commande\/mesurer-cylindre.pdf\" target=\"_blank\" rel=\"noopener\">Vachette \u2014 fiche de mesure du cylindre (PDF) \u2197<\/a>.<\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7300008 elementor-widget elementor-widget-html\" data-id=\"7300008\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<h2>4. Contr\u00f4lez l\u2019ajustement sur la porte<\/h2><p>Relever l\u2019ancien cylindre ne garantit pas qu\u2019il avait la bonne longueur. Tenez compte de la garniture et de la protection pr\u00e9sentes ou pr\u00e9vues. Le c\u00f4t\u00e9 ext\u00e9rieur ne doit pas pr\u00e9senter de d\u00e9passement expos\u00e9 ; faites valider l\u2019ajustement au prot\u00e8ge-cylindre. Une poign\u00e9e ou une protection neuve peut modifier la cote n\u00e9cessaire.<\/p><p>V\u00e9rifiez \u00e9galement la fonction souhait\u00e9e : double entr\u00e9e, bouton int\u00e9rieur ou fonction d\u00e9brayable. Les installations avec serrure particuli\u00e8re, motorisation ou fonction d\u2019\u00e9vacuation doivent respecter les pr\u00e9conisations du fabricant. Une bonne longueur, \u00e0 elle seule, ne garantit pas la compatibilit\u00e9.<\/p><h2>5. Pr\u00e9parez votre fiche avant commande<\/h2><ul class=\"sf-checks\"><li><strong>Identification<\/strong><span>Marque et r\u00e9f\u00e9rence visibles, type de serrure et profil du cylindre.<\/span><\/li><li><strong>Mesures<\/strong><span>Ext\u00e9rieur : \u2026 mm \u00b7 Int\u00e9rieur : \u2026 mm \u00b7 Total : \u2026 mm.<\/span><\/li><li><strong>Configuration<\/strong><span>Deux entr\u00e9es de cl\u00e9 ou bouton, c\u00f4t\u00e9 du bouton et fonction de secours souhait\u00e9e.<\/span><\/li><li><strong>Environnement<\/strong><span>Poign\u00e9e, protection et \u00e9ventuel \u00e9quipement connect\u00e9.<\/span><\/li><li><strong>Commande<\/strong><span>Nombre de cl\u00e9s, finition, r\u00e9f\u00e9rence compl\u00e8te et dimension confirm\u00e9e par le vendeur.<\/span><\/li><\/ul><div class=\"sf-note\"><p><strong>Apr\u00e8s remontage :<\/strong> v\u00e9rifiez la rotation de la cl\u00e9 et le fonctionnement du m\u00e9canisme porte ouverte avant de refermer. Si quelque chose force, arr\u00eatez l\u2019essai et faites contr\u00f4ler le montage.<\/p><\/div><section class=\"sf-lab\"><h2>Un cas concret avant de commander.<\/h2><p>Vous relevez <strong>30 mm \u00e0 l\u2019ext\u00e9rieur et 40 mm \u00e0 l\u2019int\u00e9rieur<\/strong>. Pour une version \u00e0 bouton, notez aussi : \u00ab bouton c\u00f4t\u00e9 int\u00e9rieur, sur le c\u00f4t\u00e9 de 40 mm \u00bb.<\/p><details><summary>Une offre 35\/35 indique aussi 70 mm : convient-elle ?<\/summary><p>Elle ne correspond pas \u00e0 la r\u00e9partition relev\u00e9e : les longueurs changeraient de 5 mm de chaque c\u00f4t\u00e9. Cherchez ext\u00e9rieur 30 mm \/ int\u00e9rieur 40 mm, puis confirmez le profil, les fonctions et les compatibilit\u00e9s. Ne commandez pas d\u2019apr\u00e8s le total seul.<\/p><\/details><h3>Quatre erreurs fr\u00e9quentes<\/h3><ul><li><strong>Noter seulement \u00ab 70 mm \u00bb :<\/strong> conserver les deux cotes s\u00e9par\u00e9es.<\/li><li><strong>Compter le bouton :<\/strong> mesurer le corps du cylindre, sans ajouter la commande.<\/li><li><strong>Inverser les c\u00f4t\u00e9s :<\/strong> rep\u00e9rer int\u00e9rieur et ext\u00e9rieur d\u00e8s le relev\u00e9.<\/li><li><strong>Recopier un montage inadapt\u00e9 :<\/strong> v\u00e9rifier l\u2019ajustement avec la poign\u00e9e et la protection finales.<\/li><\/ul><\/section><h2>Deux questions courantes<\/h2><details><summary>Mon cylindre mesure 70 mm : puis-je commander n\u2019importe quel mod\u00e8le de 70 mm ?<\/summary><p>Non. Il faut aussi conna\u00eetre la r\u00e9partition des longueurs, par exemple 30 + 40 ou 35 + 35, ainsi que les fonctions et compatibilit\u00e9s requises.<\/p><\/details><details><summary>Je change la poign\u00e9e en m\u00eame temps : faut-il refaire les mesures ?<\/summary><p>Oui, v\u00e9rifiez la configuration finale avec la nouvelle garniture et sa protection. Les dimensions de l\u2019ancien montage peuvent devenir inadapt\u00e9es.<\/p><\/details><h2>Regroupez vos mesures et vos besoins<\/h2><p>Une fois les deux c\u00f4t\u00e9s relev\u00e9s, utilisez <a href=\"https:\/\/serrurefrance.fr\/index.php\/guides\/quel-cylindre-pour-ma-porte\/\">l\u2019outil de pr\u00e9paration du choix d\u2019un cylindre<\/a> pour cr\u00e9er une fiche \u00e0 pr\u00e9senter au professionnel.<\/p><div class=\"sf-actions\"><a class=\"sf-btn\" href=\"https:\/\/serrurefrance.fr\/index.php\/prix-guides\/\">Voir les prix des cylindres<\/a><a class=\"sf-btn sf-btn-light\" href=\"https:\/\/serrurefrance.fr\/index.php\/guides\/\">Tous les guides<\/a><\/div><section class=\"sf-note sf-related\" aria-label=\"Lectures compl\u00e9mentaires\"><h2 style=\"font-size:24px;margin-top:0\">\u00c0 lire ensuite<\/h2><ul><li><a href=\"https:\/\/serrurefrance.fr\/index.php\/guides\/quel-cylindre-pour-ma-porte\/\">Quel cylindre pour ma porte ?<\/a><\/li><li><a href=\"https:\/\/serrurefrance.fr\/index.php\/guides\/protege-cylindre-utilite-choisir\/\">Choisir un prot\u00e8ge-cylindre<\/a><\/li><li><a href=\"https:\/\/serrurefrance.fr\/index.php\/guides\/comprendre-devis-serrurier\/\">Comprendre un devis<\/a><\/li><\/ul><\/section>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Rep\u00e9rez l\u2019axe de fixation et mesurez les c\u00f4t\u00e9s ext\u00e9rieur et int\u00e9rieur de votre cylindre. Les \u00e9tapes et v\u00e9rifications utiles avant de commander.<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":114,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-115","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Comment mesurer un cylindre de serrure ? | SerrureFrance<\/title>\n<meta name=\"description\" content=\"Rep\u00e9rez l\u2019axe de fixation et mesurez les c\u00f4t\u00e9s ext\u00e9rieur et int\u00e9rieur de votre cylindre. 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