{"id":5415,"date":"2022-08-01T14:46:41","date_gmt":"2022-08-01T19:46:41","guid":{"rendered":"https:\/\/optimas.com\/?p=5415"},"modified":"2024-11-22T15:58:37","modified_gmt":"2024-11-22T21:58:37","slug":"optimas-parts-imperial-blog-series-technical-insight-into-hardened-and-unhardened-flat-washers","status":"publish","type":"post","link":"https:\/\/optimas.com\/fr_ca\/optimas-parts-imperial-blog-series-technical-insight-into-hardened-and-unhardened-flat-washers\/","title":{"rendered":"S\u00e9rie de blogs Optimas Parts Imperial\u00a0: aper\u00e7u technique des rondelles plates tremp\u00e9es et non tremp\u00e9es"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:104%;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\"><p><span class=\"TextRun SCXW203088213 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW203088213 BCX0\" data-ccp-charstyle=\"normaltextrun\" data-ccp-charstyle-defn=\"{\">Optimas a con\u00e7u la s\u00e9rie de blogs Parts Imperial pour fournir des informations d\u00e9taill\u00e9es sur les fixations que vous utilisez et celles dont vous pourriez avoir besoin. Organis\u00e9es pour vous aider \u00e0 trouver les bonnes pi\u00e8ces, ces versions techniques fournissent des informations sur les sp\u00e9cifications, les applications et les normes des composants. Cette s\u00e9rie imp\u00e9riale comprend cinq types de composants : rondelles plates, vis \u00e0 t\u00eate hexagonale, contre-\u00e9crous, vis m\u00e9caniques et vis taraudeuses. Une fois que vous avez d\u00e9termin\u00e9 les pi\u00e8ces adapt\u00e9es \u00e0 votre application, Optimas peut les approvisionner par le biais de la fabrication et de la distribution, vous assurant ainsi d&#039;obtenir les pi\u00e8ces dont vous avez besoin.<\/span><\/span><\/p>\n<h3>Rondelles plates tremp\u00e9es<\/h3>\n<p>Les rondelles plates durcies sont con\u00e7ues pour \u00eatre assembl\u00e9es avec un boulon de grade 5 ou sup\u00e9rieur entre la surface d&#039;appui de la fixation et la pi\u00e8ce \u00e0 laquelle elle est fix\u00e9e. Ils sont fabriqu\u00e9s en acier au carbone et peuvent \u00eatre soit tremp\u00e9s \u00e0 c\u0153ur \u00e0 Rc 38-45, soit c\u00e9ment\u00e9s (c\u00e9ment\u00e9s) \u00e0 une profondeur minimale de 0,015&quot; et ont une duret\u00e9 de surface de 37-45 Rc avec une duret\u00e9 \u00e0 c\u0153ur minimale de Rc 30 .<\/p>\n<h3>Rondelles plates non tremp\u00e9es<\/h3>\n<p>Les rondelles plates non durcies sont con\u00e7ues pour \u00eatre assembl\u00e9es avec des boulons ou des vis taraudeuses de classe 2 ou moins entre la surface d&#039;appui de la fixation et la pi\u00e8ce \u00e0 laquelle elle est fix\u00e9e. Des rondelles plates \u00e9troites (SAE) et larges (USS) sont disponibles pour les sp\u00e9cifications, en fonction du diam\u00e8tre ext\u00e9rieur pr\u00e9f\u00e9r\u00e9 requis.<\/p>\n<h3>Les rondelles plates durcies et non durcies sont utilis\u00e9es pour\u00a0:<\/h3>\n<ul>\n<li>Am\u00e9liorer la r\u00e9partition des contraintes sur la surface de contact<\/li>\n<li>Enjambez des trous de d\u00e9gagement plus grands<\/li>\n<li>Prot\u00e9ger la surface de contact contre les dommages lors de l&#039;assemblage<\/li>\n<li>Fournir une surface d&#039;appui constante entre les surfaces de contact pour le serrage<\/li>\n<\/ul>\n<p>Les caract\u00e9ristiques dimensionnelles sont couvertes par ANSI B18.22.1* et les propri\u00e9t\u00e9s m\u00e9caniques sont couvertes par ASTM F844.<\/p>\n<p><img decoding=\"async\" class=\"wp-image-5416 size-full\" src=\"https:\/\/optimas.com\/wp-content\/uploads\/2022\/07\/Part-Drawing-for-Parts-Bulletin.png\" alt=\"Vues de dessus et de c\u00f4t\u00e9 d&#039;une rondelle plate tremp\u00e9e\" width=\"966\" height=\"492\" srcset=\"https:\/\/optimas.com\/wp-content\/uploads\/2022\/07\/Part-Drawing-for-Parts-Bulletin-18x9.png 18w, https:\/\/optimas.com\/wp-content\/uploads\/2022\/07\/Part-Drawing-for-Parts-Bulletin-200x102.png 200w, https:\/\/optimas.com\/wp-content\/uploads\/2022\/07\/Part-Drawing-for-Parts-Bulletin-300x153.png 300w, https:\/\/optimas.com\/wp-content\/uploads\/2022\/07\/Part-Drawing-for-Parts-Bulletin-400x204.png 400w, https:\/\/optimas.com\/wp-content\/uploads\/2022\/07\/Part-Drawing-for-Parts-Bulletin-600x306.png 600w, https:\/\/optimas.com\/wp-content\/uploads\/2022\/07\/Part-Drawing-for-Parts-Bulletin-768x391.png 768w, https:\/\/optimas.com\/wp-content\/uploads\/2022\/07\/Part-Drawing-for-Parts-Bulletin-800x407.png 800w, https:\/\/optimas.com\/wp-content\/uploads\/2022\/07\/Part-Drawing-for-Parts-Bulletin.png 966w\" sizes=\"(max-width: 966px) 100vw, 966px\" \/><\/p>\n<p style=\"font-size: 16px; text-align: center;\">Vues de dessus et de c\u00f4t\u00e9 d&#039;une rondelle plate durcie ou non durcie avec les attributs dimensionnels r\u00e9pertori\u00e9s dans les tableaux ci-dessous.<\/p>\n<h3>Tableau des sp\u00e9cifications des rondelles plates tremp\u00e9es<\/h3>\n<table class=\"blueTable\">\n<thead>\n<tr style=\"border-style: solid; border-color: #000000; border-width: 3px 1px 1px 1px;\">\n<th><strong>TAILLE NOMINALE**<\/strong><br \/>\n(TAILLE DE BOULON)<\/th>\n<th style=\"text-align: center; background-color: #fff1e6;\" colspan=\"3\"><span style=\"color: #f89d5b;\">UN<\/span><br \/>\nDIAM\u00c8TRE INTERIEUR<\/th>\n<th style=\"text-align: center; background-color: #f3f8ec;\" colspan=\"3\"><span style=\"color: #92c83e;\">B<\/span><br \/>\nDIAM\u00c8TRE EXT\u00c9RIEUR<\/th>\n<th style=\"text-align: center; background-color: #ebe6f3;\" colspan=\"2\"><span style=\"color: #6a2c91;\">C<\/span><br \/>\n\u00c9PAISSEUR<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"border: 1px solid #000000;\">\n<td style=\"text-align: center;\"><\/td>\n<td style=\"text-align: center; background-color: #fedfc5;\">NOM<\/td>\n<td style=\"text-align: center; background-color: #fedfc5;\">MIN<\/td>\n<td style=\"text-align: center; background-color: #fedfc5;\">MAX<\/td>\n<td style=\"text-align: center; background-color: #e4f0d1;\">NOM<\/td>\n<td style=\"text-align: center; background-color: #e4f0d1;\">MIN<\/td>\n<td style=\"text-align: center; background-color: #e4f0d1;\">MAX<\/td>\n<td style=\"text-align: center; background-color: #dcd2e8;\">MIN<\/td>\n<td style=\"text-align: center; background-color: #dcd2e8;\">MAX<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td>1\/4 (.250)<\/td>\n<td>9\/32<\/td>\n<td>.281<\/td>\n<td>.312<\/td>\n<td>5\/8<\/td>\n<td>.594<\/td>\n<td>.656<\/td>\n<td>.051<\/td>\n<td>.080<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td>5\/16 (.312)<\/td>\n<td>11\/32<\/td>\n<td>.344<\/td>\n<td>.375<\/td>\n<td>11\/16<\/td>\n<td>.657<\/td>\n<td>.719<\/td>\n<td>.051<\/td>\n<td>.080<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td>3\/8 (.375)<\/td>\n<td>13\/32<\/td>\n<td>.406<\/td>\n<td>.437<\/td>\n<td>13\/16<\/td>\n<td>.781<\/td>\n<td>.843<\/td>\n<td>.051<\/td>\n<td>.080<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td>7\/16 (.438)<\/td>\n<td>15\/32<\/td>\n<td>.469<\/td>\n<td>.500<\/td>\n<td>59\/64<\/td>\n<td>.891<\/td>\n<td>.953<\/td>\n<td>.051<\/td>\n<td>.080<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td>1\/2 (.500)<\/td>\n<td>17\/32<\/td>\n<td>.531<\/td>\n<td>.562<\/td>\n<td>1-1\/16<\/td>\n<td>1.032<\/td>\n<td>1.094<\/td>\n<td>.097<\/td>\n<td>.177<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td>5\/8 (.625)<\/td>\n<td>11\/16<\/td>\n<td>.688<\/td>\n<td>.719<\/td>\n<td>1-5\/16<\/td>\n<td>1.281<\/td>\n<td>1.343<\/td>\n<td>.122<\/td>\n<td>.177<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td>3\/4 (.750)<\/td>\n<td>13\/16<\/td>\n<td>.812<\/td>\n<td>.843<\/td>\n<td>1-15\/32<\/td>\n<td>1.438<\/td>\n<td>1.500<\/td>\n<td>.122<\/td>\n<td>.177<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td>7\/8 (.875)<\/td>\n<td>15\/16<\/td>\n<td>.937<\/td>\n<td>.968<\/td>\n<td>1-3\/4<\/td>\n<td>1.719<\/td>\n<td>1.781<\/td>\n<td>.136<\/td>\n<td>.177<\/td>\n<\/tr>\n<tr style=\"border-style: solid; border-color: #000000; border-width: 1px 1px 6px 1px;\">\n<td>1 (1.000)<\/td>\n<td>1-1\/8<\/td>\n<td>1.125<\/td>\n<td>1.156<\/td>\n<td>2<\/td>\n<td>1.969<\/td>\n<td>2.031<\/td>\n<td>.136<\/td>\n<td>.177<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>*Les tailles indiqu\u00e9es dans ce tableau sont g\u00e9n\u00e9ralement disponibles.<br \/>\n**Ce sont des dimensions courantes en pouces.<\/p>\n<h3>Tableau des sp\u00e9cifications des rondelles plates non durcies<\/h3>\n<table>\n<thead>\n<tr style=\"border-style: solid; border-color: #000000; border-width: 3px 1px 1px 1px;\">\n<th><strong>TAILLE NOMINALE**<\/strong><br \/>\n(TAILLE DE BOULON)<\/th>\n<th>S\u00c9RIE<\/th>\n<th style=\"text-align: center; background-color: #fff1e6;\" colspan=\"3\"><span style=\"color: #f89d5b;\">UN<\/span><br \/>\nDIAM\u00c8TRE INTERIEUR<\/th>\n<th style=\"text-align: center; background-color: #f3f8ec;\" colspan=\"3\"><span style=\"color: #92c83e;\">B<\/span><br \/>\nDIAM\u00c8TRE EXT\u00c9RIEUR<\/th>\n<th style=\"text-align: center; background-color: #ebe6f3;\" colspan=\"3\"><span style=\"color: #6a2c91;\">C<\/span><br \/>\n\u00c9PAISSEUR<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"border: 1px solid #000000;\">\n<td><\/td>\n<td><\/td>\n<td style=\"text-align: center; background-color: #fedfc5;\">NOM<\/td>\n<td style=\"text-align: center; background-color: #fedfc5;\">MIN<\/td>\n<td style=\"text-align: center; background-color: #fedfc5;\">MAX<\/td>\n<td style=\"text-align: center; background-color: #e4f0d1;\">NOM<\/td>\n<td style=\"text-align: center; background-color: #e4f0d1;\">MIN<\/td>\n<td style=\"text-align: center; background-color: #e4f0d1;\">MAX<\/td>\n<td style=\"text-align: center; background-color: #dcd2e8;\">NOM<\/td>\n<td style=\"text-align: center; background-color: #dcd2e8;\">MIN<\/td>\n<td style=\"text-align: center; background-color: #dcd2e8;\">MAX<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td style=\"text-align: center;\" rowspan=\"2\">#10 (.190)<\/td>\n<td style=\"text-align: center;\">\u00c9troit<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">7\/32<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.214<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.227<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">1\/2<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">.495<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">.515<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">3\/64<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.036<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.065<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td style=\"text-align: center;\">Large<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">7\/32<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.214<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.227<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">1\/2<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">.495<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">.515<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">3\/64<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.036<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.065<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td style=\"text-align: center;\" rowspan=\"2\">#12 (.216)<\/td>\n<td style=\"text-align: center;\">\u00c9troit<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">1\/4<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.245<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.265<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">9\/16<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">.557<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">.577<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">1\/16<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.051<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.080<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td style=\"text-align: center;\">Large<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">1\/4<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.245<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.265<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">9\/16<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">.557<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">.577<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">1\/16<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.051<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.080<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td style=\"text-align: center;\" rowspan=\"2\">1\/4 (.250)<\/td>\n<td style=\"text-align: center;\">\u00c9troit<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">9\/32<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.276<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.296<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">5\/8<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">.620<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">.640<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">1\/16<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.051<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.080<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td style=\"text-align: center;\">Large<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">5\/16<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.307<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.327<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">3\/4<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">.727<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">.749<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">1\/16<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.051<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.080<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td style=\"text-align: center;\" rowspan=\"2\">5\/16 (.312)<\/td>\n<td style=\"text-align: center;\">\u00c9troit<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">11\/32<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.339<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.359<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">11\/16<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">.681<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">.703<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">1\/16<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.051<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.080<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td style=\"text-align: center;\">Large<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">3\/8<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.370<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.390<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">7\/8<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">.868<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">.905<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">5\/64<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.064<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.104<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td style=\"text-align: center;\" rowspan=\"2\">3\/8 (.375)<\/td>\n<td style=\"text-align: center;\">\u00c9troit<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">13\/32<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.401<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.419<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">13\/16<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">.805<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">.827<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">1\/16<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.051<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.080<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td style=\"text-align: center;\">Large<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">7\/16<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.433<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.453<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">1<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">.993<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">1.030<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">5\/64<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.064<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.104<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td style=\"text-align: center;\" rowspan=\"2\">7\/16 (.438)<\/td>\n<td style=\"text-align: center;\">\u00c9troit<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">15\/32<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.464<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.484<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">59\/64<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">.915<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">.937<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">1\/16<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.051<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.080<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td style=\"text-align: center;\">Large<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">1\/2<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.495<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.515<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">1-1\/4<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">1.243<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">1.280<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">5\/64<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.064<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.104<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td style=\"text-align: center;\" rowspan=\"2\">1\/2 (.500)<\/td>\n<td style=\"text-align: center;\">\u00c9troit<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">17\/32<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.526<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.546<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">1-1\/16<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">1.055<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">1.092<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">3\/32<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.074<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.121<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td style=\"text-align: center;\">Large<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">9\/16<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.557<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.577<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">1-3\/8<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">1.368<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">1.405<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">7\/64<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.086<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.132<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td style=\"text-align: center;\" rowspan=\"2\">5\/8 (.625)<\/td>\n<td style=\"text-align: center;\">\u00c9troit<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">21\/32<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.649<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.686<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">1-5\/16<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">1.305<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">1.342<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">3\/32<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.074<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.121<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td style=\"text-align: center;\">Large<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">11\/16<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.681<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.718<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">1-3\/4<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">1.743<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">1.780<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">9\/64<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.108<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.160<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td style=\"text-align: center;\" rowspan=\"2\">3\/4 (.750)<\/td>\n<td style=\"text-align: center;\">\u00c9troit<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">13\/16<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.805<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.842<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">1-1\/2<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">1.462<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">1.499<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">9\/64<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.108<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.160<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td>Large<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">13\/16<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.805<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.842<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">2<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">1.993<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">2.030<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">5\/32<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.122<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.177<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td style=\"text-align: center;\" rowspan=\"2\">7\/8 (.875)<\/td>\n<td style=\"text-align: center;\">\u00c9troit<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">15\/16<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.931<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.968<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">1-3\/4<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">1.743<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">1.780<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">9\/64<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.108<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.160<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td style=\"text-align: center;\">Large<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">15\/16<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.931<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">.968<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">2-1\/4<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">2.243<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">2.280<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">11\/64<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.136<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.192<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #000000;\">\n<td style=\"text-align: center;\" rowspan=\"2\">1 (1.00)<\/td>\n<td style=\"text-align: center;\">\u00c9troit<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">1-1\/16<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">1.055<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">1.092<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">2<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">1.993<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">2.030<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">9\/64<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.108<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.160<\/td>\n<\/tr>\n<tr style=\"border-style: solid; border-color: #000000; border-width: 1px 1px 6px 1px;\">\n<td style=\"text-align: center;\">Large<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">1-1\/16<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">1.055<\/td>\n<td style=\"text-align: center; background-color: #fff1e6;\">1.092<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">2-1\/2<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">2.493<\/td>\n<td style=\"text-align: center; background-color: #f3f8ec;\">2.530<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">11\/64<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.136<\/td>\n<td style=\"text-align: center; background-color: #ebe6f3;\">.192<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>*Les dimensions courantes des rondelles en acier non tremp\u00e9 sont donn\u00e9es en pouces.<\/p>\n<h3>Obtenez une consultation technique<\/h3>\n<p>Pour plus d&#039;informations sur les rondelles plates durcies et non durcies ou sur tout type de fixation, contactez l&#039;un de nos experts au <a href=\"https:\/\/optimas.com\/fr_ca\/contact\/\">optimas.com\/contact<\/a>.<\/p>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":5466,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[47],"tags":[90,81,83,82,92,91],"class_list":["post-5415","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-product-expertise","tag-engineering","tag-fastener-manufacturing","tag-fastener-manufacturing-engineers","tag-manufacturing","tag-parts-bulletin","tag-parts-imperial-blog-series"],"acf":[],"_links":{"self":[{"href":"https:\/\/optimas.com\/fr_ca\/wp-json\/wp\/v2\/posts\/5415","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/optimas.com\/fr_ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/optimas.com\/fr_ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/optimas.com\/fr_ca\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/optimas.com\/fr_ca\/wp-json\/wp\/v2\/comments?post=5415"}],"version-history":[{"count":0,"href":"https:\/\/optimas.com\/fr_ca\/wp-json\/wp\/v2\/posts\/5415\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/optimas.com\/fr_ca\/wp-json\/wp\/v2\/media\/5466"}],"wp:attachment":[{"href":"https:\/\/optimas.com\/fr_ca\/wp-json\/wp\/v2\/media?parent=5415"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/optimas.com\/fr_ca\/wp-json\/wp\/v2\/categories?post=5415"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/optimas.com\/fr_ca\/wp-json\/wp\/v2\/tags?post=5415"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}