{"id":5415,"date":"2022-08-01T14:46:41","date_gmt":"2022-08-01T19:46:41","guid":{"rendered":"https:\/\/optimas.com\/?p=5415"},"modified":"2026-04-13T10:53:59","modified_gmt":"2026-04-13T15:53:59","slug":"optimas-parts-imperial-blog-series-technical-insight-into-hardened-and-unhardened-flat-washers","status":"publish","type":"post","link":"https:\/\/optimas.com\/it\/optimas-parts-imperial-blog-series-technical-insight-into-hardened-and-unhardened-flat-washers\/","title":{"rendered":"Optimas Parts Imperial Blog Series: Approfondimento tecnico sulle rondelle piane temprate e non temprate"},"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 ha progettato la serie di blog Parts Imperial per fornire informazioni dettagliate sui dispositivi di fissaggio che utilizzi e su quelli di cui potresti aver bisogno. Curate per aiutarti a trovare le parti giuste, queste versioni tecniche forniscono informazioni sulle specifiche, le applicazioni e gli standard dei componenti. Questa serie imperiale \u00e8 composta da cinque tipi di componenti: rondelle piatte, viti a testa esagonale, controdadi, viti a ferro e viti autofilettanti. Dopo aver determinato le parti adatte alla tua applicazione, Optimas pu\u00f2 reperirle attraverso la produzione e la distribuzione, assicurandoti di ottenere le parti di cui hai bisogno.<\/span><\/span><\/p>\n<h3>Rondelle piane temprate<\/h3>\n<p>Le rondelle piatte temprate sono progettate per l&#039;assemblaggio con un bullone di resistenza di grado 5 o superiore tra la superficie di appoggio dell&#039;elemento di fissaggio e la parte a cui \u00e8 fissato. Sono realizzati in acciaio al carbonio e possono essere incruditi fino a Rc 38-45 o carburati (cementati) fino a una profondit\u00e0 minima di 0,015&quot; e hanno una durezza superficiale di 37-45 Rc con una durezza interna minima di Rc 30 .<\/p>\n<h3>Rondelle piane non temprate<\/h3>\n<p>Le rondelle piatte non temprate sono progettate per l&#039;assemblaggio con bulloni o viti autofilettanti di grado 2 o inferiore tra la superficie di appoggio dell&#039;elemento di fissaggio e la parte a cui \u00e8 fissato. Per le specifiche sono disponibili rondelle piatte strette (SAE) e larghe (USS), a seconda del diametro esterno preferito necessario.<\/p>\n<h3>Le rondelle piane temprate e non temprate vengono utilizzate per:<\/h3>\n<ul>\n<li>Migliora la distribuzione delle sollecitazioni sulla superficie di accoppiamento<\/li>\n<li>Span pi\u00f9 grandi fori di gioco<\/li>\n<li>Proteggere la superficie di accoppiamento da eventuali danni durante il montaggio<\/li>\n<li>Fornire una superficie di appoggio uniforme tra le superfici di accoppiamento per la coppia<\/li>\n<\/ul>\n<p>Le caratteristiche dimensionali sono coperte da ANSI B18.22.1* e le propriet\u00e0 meccaniche sono coperte da 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=\"Viste dall&#039;alto e laterali di una rondella piana temprata\" 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;\">Vista dall&#039;alto e laterale di una rondella piana temprata o non temprata con gli attributi dimensionali elencati nelle tabelle sottostanti.<\/p>\n<h3>Tabella delle specifiche delle rondelle piane temprate<\/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>TAGLIA NOMINALE**<\/strong><br \/>\n(DIMENSIONE BULLONE)<\/th>\n<th style=\"text-align: center; background-color: #fff1e6;\" colspan=\"3\"><span style=\"color: #f89d5b;\">UN<\/span><br \/>\nDIAMETRO INTERNO<\/th>\n<th style=\"text-align: center; background-color: #f3f8ec;\" colspan=\"3\"><span style=\"color: #92c83e;\">B<\/span><br \/>\nDIAMETRO ESTERNO<\/th>\n<th style=\"text-align: center; background-color: #ebe6f3;\" colspan=\"2\"><span style=\"color: #6a2c91;\">C<\/span><br \/>\nSPESSORE<\/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;\">MASSIMO<\/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;\">MASSIMO<\/td>\n<td style=\"text-align: center; background-color: #dcd2e8;\">MIN<\/td>\n<td style=\"text-align: center; background-color: #dcd2e8;\">MASSIMO<\/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>*Le taglie indicate in questa tabella sono generalmente disponibili.<br \/>\n**Queste sono dimensioni comuni in pollici.<\/p>\n<h3>Tabella delle specifiche delle rondelle piane non temprate<\/h3>\n<table>\n<thead>\n<tr style=\"border-style: solid; border-color: #000000; border-width: 3px 1px 1px 1px;\">\n<th><strong>TAGLIA NOMINALE**<\/strong><br \/>\n(DIMENSIONE BULLONE)<\/th>\n<th>SERIE<\/th>\n<th style=\"text-align: center; background-color: #fff1e6;\" colspan=\"3\"><span style=\"color: #f89d5b;\">UN<\/span><br \/>\nDIAMETRO INTERNO<\/th>\n<th style=\"text-align: center; background-color: #f3f8ec;\" colspan=\"3\"><span style=\"color: #92c83e;\">B<\/span><br \/>\nDIAMETRO ESTERNO<\/th>\n<th style=\"text-align: center; background-color: #ebe6f3;\" colspan=\"3\"><span style=\"color: #6a2c91;\">C<\/span><br \/>\nSPESSORE<\/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;\">MASSIMO<\/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;\">MASSIMO<\/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;\">MASSIMO<\/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;\">Stretto<\/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;\">Largo<\/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;\">Stretto<\/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;\">Largo<\/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;\">Stretto<\/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;\">Largo<\/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;\">Stretto<\/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;\">Largo<\/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;\">Stretto<\/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;\">Largo<\/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;\">Stretto<\/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;\">Largo<\/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;\">Stretto<\/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;\">Largo<\/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;\">Stretto<\/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;\">Largo<\/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;\">Stretto<\/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>Largo<\/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;\">Stretto<\/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;\">Largo<\/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;\">Stretto<\/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;\">Largo<\/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>*Le dimensioni comuni delle rondelle in acciaio non temprato sono espresse in pollici.<\/p>\n<h3>Ottieni una consulenza tecnica<\/h3>\n<p>Per maggiori informazioni su rondelle piane temprate e non o qualsiasi tipo di fissaggio, contatta uno dei nostri esperti a <a href=\"https:\/\/optimas.com\/it\/contact\/\">www.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\/it\/wp-json\/wp\/v2\/posts\/5415","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/optimas.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/optimas.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/optimas.com\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/optimas.com\/it\/wp-json\/wp\/v2\/comments?post=5415"}],"version-history":[{"count":0,"href":"https:\/\/optimas.com\/it\/wp-json\/wp\/v2\/posts\/5415\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/optimas.com\/it\/wp-json\/wp\/v2\/media\/5466"}],"wp:attachment":[{"href":"https:\/\/optimas.com\/it\/wp-json\/wp\/v2\/media?parent=5415"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/optimas.com\/it\/wp-json\/wp\/v2\/categories?post=5415"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/optimas.com\/it\/wp-json\/wp\/v2\/tags?post=5415"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}