{"id":15123,"date":"2025-06-24T11:12:17","date_gmt":"2025-06-24T16:12:17","guid":{"rendered":"https:\/\/blog.misumiusa.com\/?page_id=15123"},"modified":"2025-06-26T11:01:01","modified_gmt":"2025-06-26T16:01:01","slug":"washer-size-chart","status":"publish","type":"page","link":"https:\/\/us.misumi-ec.com\/blog\/washer-size-chart\/","title":{"rendered":"Washer Size Chart &#8211; Washer Sizes and Dimesions (SAE &#038; USS)"},"content":{"rendered":"\n<p>Washers may seem like simple hardware, but choosing the correct size is essential for ensuring proper load distribution and secure fastening. This chart covers standard dimensions for both SAE and USS flat washers, making it easier to find the right fit for your application. Whether you&#8217;re checking inner diameter, outer diameter, or thickness, you&#8217;ll find the key specs here.<\/p>\n\n\n\n<h2>USS Flat Washers<\/h2>\n\n\n\n\n\n\n    <meta charset=\"UTF-8\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n    <title>USS Flat Washer Size Chart<\/title>\n    <style>\n        \/* Complete isolation - reset everything within our component *\/\n        #washer-chart-widget {\n            all: initial;\n            font-family: Arial, sans-serif !important;\n            font-size: 14px !important;\n            line-height: 1.4 !important;\n            color: #333 !important;\n            background: transparent !important;\n            margin: 0 !important;\n            padding: 0 !important;\n            border: none !important;\n            outline: none !important;\n            box-sizing: border-box !important;\n            display: block !important;\n            width: 100% !important;\n            max-width: 800px !important;\n            position: relative !important;\n            z-index: 1 !important;\n        }\n        \n        #washer-chart-widget * {\n            all: unset !important;\n            box-sizing: border-box !important;\n        }\n        \n        #washer-chart-widget .wc-container {\n            display: block !important;\n            width: 100% !important;\n            max-width: 800px !important;\n            margin: 0 auto !important;\n            background: #ffffff !important;\n            border-radius: 8px !important;\n            box-shadow: 0 2px 10px rgba(0,0,0,0.1) !important;\n            overflow: hidden !important;\n            font-family: Arial, sans-serif !important;\n        }\n        \n        #washer-chart-widget .wc-table-wrapper {\n            overflow-x: auto !important;\n            padding: 20px !important;\n            display: block !important;\n        }\n        \n        #washer-chart-widget .wc-table {\n            width: 100% !important;\n            border-collapse: collapse !important;\n            font-size: 14px !important;\n            position: relative !important;\n            display: table !important;\n            font-family: Arial, sans-serif !important;\n        }\n        \n        #washer-chart-widget .wc-thead {\n            display: table-header-group !important;\n        }\n        \n        #washer-chart-widget .wc-tbody {\n            display: table-row-group !important;\n        }\n        \n        #washer-chart-widget .wc-tr {\n            display: table-row !important;\n            transition: all 0.2s ease !important;\n        }\n        \n        #washer-chart-widget .wc-th {\n            display: table-cell !important;\n            background: #f8f9fa !important;\n            color: #495057 !important;\n            font-weight: 600 !important;\n            padding: 12px 8px !important;\n            text-align: center !important;\n            border: 1px solid #dee2e6 !important;\n            position: sticky !important;\n            top: 0 !important;\n            z-index: 10 !important;\n            font-family: Arial, sans-serif !important;\n            font-size: 14px !important;\n        }\n        \n        #washer-chart-widget .wc-td {\n            display: table-cell !important;\n            padding: 10px 8px !important;\n            text-align: center !important;\n            border: 1px solid #dee2e6 !important;\n            transition: all 0.2s ease !important;\n            color: #212529 !important;\n            font-family: Arial, sans-serif !important;\n            font-size: 14px !important;\n        }\n        \n        #washer-chart-widget .wc-tbody .wc-tr:hover {\n            background-color: #e3f2fd !important;\n            transform: scale(1.01) !important;\n            box-shadow: 0 2px 8px rgba(0,0,0,0.1) !important;\n            position: relative !important;\n            z-index: 5 !important;\n        }\n        \n        #washer-chart-widget .wc-tbody .wc-tr:hover .wc-td {\n            border-color: #2196f3 !important;\n            font-weight: 500 !important;\n        }\n        \n        #washer-chart-widget .wc-size-column {\n            font-weight: bold !important;\n            color: #1976d2 !important;\n        }\n        \n        #washer-chart-widget .wc-tbody .wc-tr:nth-child(even) {\n            background-color: #f8f9fa !important;\n        }\n        \n        #washer-chart-widget .wc-tbody .wc-tr:nth-child(even):hover {\n            background-color: #e3f2fd !important;\n        }\n        \n        #washer-chart-widget .wc-measurement {\n            font-family: 'Courier New', monospace !important;\n            color: #212529 !important;\n            font-weight: 500 !important;\n        }\n        \n        @media (max-width: 600px) {\n            #washer-chart-widget .wc-table-wrapper {\n                padding: 10px !important;\n            }\n            \n            #washer-chart-widget .wc-table {\n                font-size: 12px !important;\n            }\n            \n            #washer-chart-widget .wc-th, \n            #washer-chart-widget .wc-td {\n                padding: 8px 4px !important;\n                font-size: 12px !important;\n            }\n        }\n    <\/style>\n\n\n    <div id=\"washer-chart-widget\">\n        <div class=\"wc-container\">\n            <div class=\"wc-table-wrapper\">\n                <table class=\"wc-table\">\n                    <thead class=\"wc-thead\">\n                        <tr class=\"wc-tr\">\n                            <th class=\"wc-th\">Screw Size<\/th>\n                            <th class=\"wc-th\">Inside Diameter<br>(inches)<\/th>\n                            <th class=\"wc-th\">Outside Diameter<br>(inches)<\/th>\n                            <th class=\"wc-th\">Thickness<br>(inches)<\/th>\n                            <th class=\"wc-th\">Inside Diameter<br>(mm)<\/th>\n                            <th class=\"wc-th\">Outside Diameter<br>(mm)<\/th>\n                            <th class=\"wc-th\">Thickness<br>(mm)<\/th>\n                        <\/tr>\n                    <\/thead>\n                    <tbody class=\"wc-tbody\">\n                        <tr class=\"wc-tr\">\n                            <td class=\"wc-td wc-size-column\">3\/16&#8243;<\/td>\n                            <td class=\"wc-td wc-measurement\">7\/32<\/td>\n                            <td class=\"wc-td wc-measurement\">1\/2<\/td>\n                            <td class=\"wc-td wc-measurement\">1\/32<\/td>\n                            <td class=\"wc-td wc-measurement\">5.56<\/td>\n                            <td class=\"wc-td wc-measurement\">12.70<\/td>\n                            <td class=\"wc-td wc-measurement\">0.81<\/td>\n                        <\/tr>\n                        <tr class=\"wc-tr\">\n                            <td class=\"wc-td wc-size-column\">1\/4&#8243;<\/td>\n                            <td class=\"wc-td wc-measurement\">9\/32<\/td>\n                            <td class=\"wc-td wc-measurement\">5\/8<\/td>\n                            <td class=\"wc-td wc-measurement\">1\/16<\/td>\n                            <td class=\"wc-td wc-measurement\">7.14<\/td>\n                            <td class=\"wc-td wc-measurement\">15.88<\/td>\n                            <td class=\"wc-td wc-measurement\">1.65<\/td>\n                        <\/tr>\n                        <tr class=\"wc-tr\">\n                            <td class=\"wc-td wc-size-column\">5\/16&#8243;<\/td>\n                            <td class=\"wc-td wc-measurement\">11\/32<\/td>\n                            <td class=\"wc-td wc-measurement\">11\/16<\/td>\n                            <td class=\"wc-td wc-measurement\">1\/16<\/td>\n                            <td class=\"wc-td wc-measurement\">8.74<\/td>\n                            <td class=\"wc-td wc-measurement\">17.48<\/td>\n                            <td class=\"wc-td wc-measurement\">1.65<\/td>\n                        <\/tr>\n                        <tr class=\"wc-tr\">\n                            <td class=\"wc-td wc-size-column\">3\/8&#8243;<\/td>\n                            <td class=\"wc-td wc-measurement\">13\/32<\/td>\n                            <td class=\"wc-td wc-measurement\">13\/16<\/td>\n                            <td class=\"wc-td wc-measurement\">1\/16<\/td>\n                            <td class=\"wc-td wc-measurement\">10.31<\/td>\n                            <td class=\"wc-td wc-measurement\">20.62<\/td>\n                            <td class=\"wc-td wc-measurement\">1.65<\/td>\n                        <\/tr>\n                        <tr class=\"wc-tr\">\n                            <td class=\"wc-td wc-size-column\">7\/16&#8243;<\/td>\n                            <td class=\"wc-td wc-measurement\">15\/32<\/td>\n                            <td class=\"wc-td wc-measurement\">7\/8<\/td>\n                            <td class=\"wc-td wc-measurement\">1\/16<\/td>\n                            <td class=\"wc-td wc-measurement\">11.91<\/td>\n                            <td class=\"wc-td wc-measurement\">22.23<\/td>\n                            <td class=\"wc-td wc-measurement\">1.65<\/td>\n                        <\/tr>\n                        <tr class=\"wc-tr\">\n                            <td class=\"wc-td wc-size-column\">1\/2&#8243;<\/td>\n                            <td class=\"wc-td wc-measurement\">17\/32<\/td>\n                            <td class=\"wc-td wc-measurement\">1<\/td>\n                            <td class=\"wc-td wc-measurement\">3\/32<\/td>\n                            <td class=\"wc-td wc-measurement\">13.49<\/td>\n                            <td class=\"wc-td wc-measurement\">25.40<\/td>\n                            <td class=\"wc-td wc-measurement\">2.41<\/td>\n                        <\/tr>\n                        <tr class=\"wc-tr\">\n                            <td class=\"wc-td wc-size-column\">9\/16&#8243;<\/td>\n                            <td class=\"wc-td wc-measurement\">19\/32<\/td>\n                            <td class=\"wc-td wc-measurement\">1-1\/16<\/td>\n                            <td class=\"wc-td wc-measurement\">3\/32<\/td>\n                            <td class=\"wc-td wc-measurement\">15.09<\/td>\n                            <td class=\"wc-td wc-measurement\">26.97<\/td>\n                            <td class=\"wc-td wc-measurement\">2.41<\/td>\n                        <\/tr>\n                        <tr class=\"wc-tr\">\n                            <td class=\"wc-td wc-size-column\">5\/8&#8243;<\/td>\n                            <td class=\"wc-td wc-measurement\">21\/32<\/td>\n                            <td class=\"wc-td wc-measurement\">1-1\/4<\/td>\n                            <td class=\"wc-td wc-measurement\">3\/32<\/td>\n                            <td class=\"wc-td wc-measurement\">16.66<\/td>\n                            <td class=\"wc-td wc-measurement\">31.75<\/td>\n                            <td class=\"wc-td wc-measurement\">2.41<\/td>\n                        <\/tr>\n                        <tr class=\"wc-tr\">\n                            <td class=\"wc-td wc-size-column\">3\/4&#8243;<\/td>\n                            <td class=\"wc-td wc-measurement\">13\/16<\/td>\n                            <td class=\"wc-td wc-measurement\">1-1\/2<\/td>\n                            <td class=\"wc-td wc-measurement\">9\/64<\/td>\n                            <td class=\"wc-td wc-measurement\">20.62<\/td>\n                            <td class=\"wc-td wc-measurement\">38.10<\/td>\n                            <td class=\"wc-td wc-measurement\">3.40<\/td>\n                        <\/tr>\n                        <tr class=\"wc-tr\">\n                            <td class=\"wc-td wc-size-column\">7\/8&#8243;<\/td>\n                            <td class=\"wc-td wc-measurement\">15\/16<\/td>\n                            <td class=\"wc-td wc-measurement\">1-3\/4<\/td>\n                            <td class=\"wc-td wc-measurement\">9\/64<\/td>\n                            <td class=\"wc-td wc-measurement\">23.83<\/td>\n                            <td class=\"wc-td wc-measurement\">44.45<\/td>\n                            <td class=\"wc-td wc-measurement\">3.40<\/td>\n                        <\/tr>\n                        <tr class=\"wc-tr\">\n                            <td class=\"wc-td wc-size-column\">1&#8243;<\/td>\n                            <td class=\"wc-td wc-measurement\">1-1\/16<\/td>\n                            <td class=\"wc-td wc-measurement\">2<\/td>\n                            <td class=\"wc-td wc-measurement\">9\/64<\/td>\n                            <td class=\"wc-td wc-measurement\">26.97<\/td>\n                            <td class=\"wc-td wc-measurement\">50.80<\/td>\n                            <td class=\"wc-td wc-measurement\">3.40<\/td>\n                        <\/tr>\n                        <tr class=\"wc-tr\">\n                            <td class=\"wc-td wc-size-column\">1-1\/8&#8243;<\/td>\n                            <td class=\"wc-td wc-measurement\">1-5\/32<\/td>\n                            <td class=\"wc-td wc-measurement\">2-1\/4<\/td>\n                            <td class=\"wc-td wc-measurement\">9\/64<\/td>\n                            <td class=\"wc-td wc-measurement\">30.16<\/td>\n                            <td class=\"wc-td wc-measurement\">57.15<\/td>\n                            <td class=\"wc-td wc-measurement\">3.40<\/td>\n                        <\/tr>\n                        <tr class=\"wc-tr\">\n                            <td class=\"wc-td wc-size-column\">1-1\/4&#8243;<\/td>\n                            <td class=\"wc-td wc-measurement\">1-5\/16<\/td>\n                            <td class=\"wc-td wc-measurement\">2-1\/2<\/td>\n                            <td class=\"wc-td wc-measurement\">5\/32<\/td>\n                            <td class=\"wc-td wc-measurement\">33.34<\/td>\n                            <td class=\"wc-td wc-measurement\">63.50<\/td>\n                            <td class=\"wc-td wc-measurement\">3.97<\/td>\n                        <\/tr>\n                        <tr class=\"wc-tr\">\n                            <td class=\"wc-td wc-size-column\">1-3\/8&#8243;<\/td>\n                            <td class=\"wc-td wc-measurement\">1-7\/16<\/td>\n                            <td class=\"wc-td wc-measurement\">2-3\/4<\/td>\n                            <td class=\"wc-td wc-measurement\">5\/32<\/td>\n                            <td class=\"wc-td wc-measurement\">36.51<\/td>\n                            <td class=\"wc-td wc-measurement\">69.85<\/td>\n                            <td class=\"wc-td wc-measurement\">3.97<\/td>\n                        <\/tr>\n                        <tr class=\"wc-tr\">\n                            <td class=\"wc-td wc-size-column\">1-1\/2&#8243;<\/td>\n                            <td class=\"wc-td wc-measurement\">1-5\/8<\/td>\n                            <td class=\"wc-td wc-measurement\">3<\/td>\n                            <td class=\"wc-td wc-measurement\">5\/32<\/td>\n                            <td class=\"wc-td wc-measurement\">41.28<\/td>\n                            <td class=\"wc-td wc-measurement\">76.20<\/td>\n                            <td class=\"wc-td wc-measurement\">3.97<\/td>\n                        <\/tr>\n                        <tr class=\"wc-tr\">\n                            <td class=\"wc-td wc-size-column\">1-5\/8&#8243;<\/td>\n                            <td class=\"wc-td wc-measurement\">1-3\/4<\/td>\n                            <td class=\"wc-td wc-measurement\">3-1\/4<\/td>\n                            <td class=\"wc-td wc-measurement\">5\/32<\/td>\n                            <td class=\"wc-td wc-measurement\">44.45<\/td>\n                            <td class=\"wc-td wc-measurement\">82.55<\/td>\n                            <td class=\"wc-td wc-measurement\">3.97<\/td>\n                        <\/tr>\n                        <tr class=\"wc-tr\">\n                            <td class=\"wc-td wc-size-column\">1-3\/4&#8243;<\/td>\n                            <td class=\"wc-td wc-measurement\">1-7\/8<\/td>\n                            <td class=\"wc-td wc-measurement\">3-1\/2<\/td>\n                            <td class=\"wc-td wc-measurement\">5\/32<\/td>\n                            <td class=\"wc-td wc-measurement\">47.63<\/td>\n                            <td class=\"wc-td wc-measurement\">88.90<\/td>\n                            <td class=\"wc-td wc-measurement\">3.97<\/td>\n                        <\/tr>\n                        <tr class=\"wc-tr\">\n                            <td class=\"wc-td wc-size-column\">2&#8243;<\/td>\n                            <td class=\"wc-td wc-measurement\">2-1\/8<\/td>\n                            <td class=\"wc-td wc-measurement\">4<\/td>\n                            <td class=\"wc-td wc-measurement\">3\/16<\/td>\n                            <td class=\"wc-td wc-measurement\">53.98<\/td>\n                            <td class=\"wc-td wc-measurement\">101.60<\/td>\n                            <td class=\"wc-td wc-measurement\">4.76<\/td>\n                        <\/tr>\n                        <tr class=\"wc-tr\">\n                            <td class=\"wc-td wc-size-column\">2-1\/4&#8243;<\/td>\n                            <td class=\"wc-td wc-measurement\">2-3\/8<\/td>\n                            <td class=\"wc-td wc-measurement\">4-1\/2<\/td>\n                            <td class=\"wc-td wc-measurement\">3\/16<\/td>\n                            <td class=\"wc-td wc-measurement\">60.33<\/td>\n                            <td class=\"wc-td wc-measurement\">114.30<\/td>\n                            <td class=\"wc-td wc-measurement\">4.76<\/td>\n                        <\/tr>\n                        <tr class=\"wc-tr\">\n                            <td class=\"wc-td wc-size-column\">2-1\/2&#8243;<\/td>\n                            <td class=\"wc-td wc-measurement\">2-5\/8<\/td>\n                            <td class=\"wc-td wc-measurement\">5<\/td>\n                            <td class=\"wc-td wc-measurement\">3\/16<\/td>\n                            <td class=\"wc-td wc-measurement\">66.68<\/td>\n                            <td class=\"wc-td wc-measurement\">127.00<\/td>\n                            <td class=\"wc-td wc-measurement\">4.76<\/td>\n                        <\/tr>\n                        <tr class=\"wc-tr\">\n                            <td class=\"wc-td wc-size-column\">2-3\/4&#8243;<\/td>\n                            <td class=\"wc-td wc-measurement\">2-7\/8<\/td>\n                            <td class=\"wc-td wc-measurement\">5-1\/2<\/td>\n                            <td class=\"wc-td wc-measurement\">3\/16<\/td>\n                            <td class=\"wc-td wc-measurement\">73.03<\/td>\n                            <td class=\"wc-td wc-measurement\">139.70<\/td>\n                            <td class=\"wc-td wc-measurement\">4.76<\/td>\n                        <\/tr>\n                        <tr class=\"wc-tr\">\n                            <td class=\"wc-td wc-size-column\">3&#8243;<\/td>\n                            <td class=\"wc-td wc-measurement\">3-1\/8<\/td>\n                            <td class=\"wc-td wc-measurement\">6<\/td>\n                            <td class=\"wc-td wc-measurement\">1\/4<\/td>\n                            <td class=\"wc-td wc-measurement\">79.38<\/td>\n                            <td class=\"wc-td wc-measurement\">152.40<\/td>\n                            <td class=\"wc-td wc-measurement\">6.35<\/td>\n                        <\/tr>\n                    <\/tbody>\n                <\/table>\n            <\/div>\n        <\/div>\n    <\/div>\n\n\n\n\n\n<p><\/p>\n\n\n\n<h2>SAE Flat Washers<\/h2>\n\n\n\n\n\n\n    <meta charset=\"UTF-8\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n    <title>SAE Flat Washer Size Chart<\/title>\n    <style>\n        \/* Complete isolation - reset everything within our component *\/\n        #sae-washer-chart-widget {\n            all: initial;\n            font-family: Arial, sans-serif !important;\n            font-size: 14px !important;\n            line-height: 1.4 !important;\n            color: #333 !important;\n            background: transparent !important;\n            margin: 0 !important;\n            padding: 0 !important;\n            border: none !important;\n            outline: none !important;\n            box-sizing: border-box !important;\n            display: block !important;\n            width: 100% !important;\n            max-width: 800px !important;\n            position: relative !important;\n            z-index: 1 !important;\n        }\n        \n        #sae-washer-chart-widget * {\n            all: unset !important;\n            box-sizing: border-box !important;\n        }\n        \n        #sae-washer-chart-widget .sae-container {\n            display: block !important;\n            width: 100% !important;\n            max-width: 800px !important;\n            margin: 0 auto !important;\n            background: #ffffff !important;\n            border-radius: 8px !important;\n            box-shadow: 0 2px 10px rgba(0,0,0,0.1) !important;\n            overflow: hidden !important;\n            font-family: Arial, sans-serif !important;\n        }\n        \n        #sae-washer-chart-widget .sae-table-wrapper {\n            overflow-x: auto !important;\n            padding: 20px !important;\n            display: block !important;\n        }\n        \n        #sae-washer-chart-widget .sae-table {\n            width: 100% !important;\n            border-collapse: collapse !important;\n            font-size: 14px !important;\n            position: relative !important;\n            display: table !important;\n            font-family: Arial, sans-serif !important;\n        }\n        \n        #sae-washer-chart-widget .sae-thead {\n            display: table-header-group !important;\n        }\n        \n        #sae-washer-chart-widget .sae-tbody {\n            display: table-row-group !important;\n        }\n        \n        #sae-washer-chart-widget .sae-tr {\n            display: table-row !important;\n            transition: all 0.2s ease !important;\n        }\n        \n        #sae-washer-chart-widget .sae-th {\n            display: table-cell !important;\n            background: #f8f9fa !important;\n            color: #495057 !important;\n            font-weight: 600 !important;\n            padding: 12px 8px !important;\n            text-align: center !important;\n            border: 1px solid #dee2e6 !important;\n            position: sticky !important;\n            top: 0 !important;\n            z-index: 10 !important;\n            font-family: Arial, sans-serif !important;\n            font-size: 14px !important;\n        }\n        \n        #sae-washer-chart-widget .sae-td {\n            display: table-cell !important;\n            padding: 10px 8px !important;\n            text-align: center !important;\n            border: 1px solid #dee2e6 !important;\n            transition: all 0.2s ease !important;\n            color: #212529 !important;\n            font-family: Arial, sans-serif !important;\n            font-size: 14px !important;\n        }\n        \n        #sae-washer-chart-widget .sae-tbody .sae-tr:hover {\n            background-color: #e3f2fd !important;\n            transform: scale(1.01) !important;\n            box-shadow: 0 2px 8px rgba(0,0,0,0.1) !important;\n            position: relative !important;\n            z-index: 5 !important;\n        }\n        \n        #sae-washer-chart-widget .sae-tbody .sae-tr:hover .sae-td {\n            border-color: #2196f3 !important;\n            font-weight: 500 !important;\n        }\n        \n        #sae-washer-chart-widget .sae-size-column {\n            font-weight: bold !important;\n            color: #1976d2 !important;\n        }\n        \n        #sae-washer-chart-widget .sae-tbody .sae-tr:nth-child(even) {\n            background-color: #f8f9fa !important;\n        }\n        \n        #sae-washer-chart-widget .sae-tbody .sae-tr:nth-child(even):hover {\n            background-color: #e3f2fd !important;\n        }\n        \n        #sae-washer-chart-widget .sae-measurement {\n            font-family: 'Courier New', monospace !important;\n            color: #212529 !important;\n            font-weight: 500 !important;\n        }\n        \n        @media (max-width: 600px) {\n            #sae-washer-chart-widget .sae-table-wrapper {\n                padding: 10px !important;\n            }\n            \n            #sae-washer-chart-widget .sae-table {\n                font-size: 12px !important;\n            }\n            \n            #sae-washer-chart-widget .sae-th, \n            #sae-washer-chart-widget .sae-td {\n                padding: 8px 4px !important;\n                font-size: 12px !important;\n            }\n        }\n    <\/style>\n\n\n    <div id=\"sae-washer-chart-widget\">\n        <div class=\"sae-container\">\n            <div class=\"sae-table-wrapper\">\n                <table class=\"sae-table\">\n                    <thead class=\"sae-thead\">\n                        <tr class=\"sae-tr\">\n                            <th class=\"sae-th\">Screw Size<\/th>\n                            <th class=\"sae-th\">Inside Diameter<br>(inches)<\/th>\n                            <th class=\"sae-th\">Outside Diameter<br>(inches)<\/th>\n                            <th class=\"sae-th\">Thickness<br>(inches)<\/th>\n                            <th class=\"sae-th\">Inside Diameter<br>(mm)<\/th>\n                            <th class=\"sae-th\">Outside Diameter<br>(mm)<\/th>\n                            <th class=\"sae-th\">Thickness<br>(mm)<\/th>\n                        <\/tr>\n                    <\/thead>\n                    <tbody class=\"sae-tbody\">\n                        <tr class=\"sae-tr\">\n                            <td class=\"sae-td sae-size-column\">3\/16&#8243;<\/td>\n                            <td class=\"sae-td sae-measurement\">7\/32<\/td>\n                            <td class=\"sae-td sae-measurement\">7\/16<\/td>\n                            <td class=\"sae-td sae-measurement\">1\/16<\/td>\n                            <td class=\"sae-td sae-measurement\">5.56<\/td>\n                            <td class=\"sae-td sae-measurement\">11.11<\/td>\n                            <td class=\"sae-td sae-measurement\">1.59<\/td>\n                        <\/tr>\n                        <tr class=\"sae-tr\">\n                            <td class=\"sae-td sae-size-column\">1\/4&#8243;<\/td>\n                            <td class=\"sae-td sae-measurement\">17\/64<\/td>\n                            <td class=\"sae-td sae-measurement\">9\/16<\/td>\n                            <td class=\"sae-td sae-measurement\">1\/16<\/td>\n                            <td class=\"sae-td sae-measurement\">6.75<\/td>\n                            <td class=\"sae-td sae-measurement\">14.29<\/td>\n                            <td class=\"sae-td sae-measurement\">1.59<\/td>\n                        <\/tr>\n                        <tr class=\"sae-tr\">\n                            <td class=\"sae-td sae-size-column\">5\/16&#8243;<\/td>\n                            <td class=\"sae-td sae-measurement\">21\/64<\/td>\n                            <td class=\"sae-td sae-measurement\">5\/8<\/td>\n                            <td class=\"sae-td sae-measurement\">1\/16<\/td>\n                            <td class=\"sae-td sae-measurement\">8.33<\/td>\n                            <td class=\"sae-td sae-measurement\">15.88<\/td>\n                            <td class=\"sae-td sae-measurement\">1.59<\/td>\n                        <\/tr>\n                        <tr class=\"sae-tr\">\n                            <td class=\"sae-td sae-size-column\">3\/8&#8243;<\/td>\n                            <td class=\"sae-td sae-measurement\">25\/64<\/td>\n                            <td class=\"sae-td sae-measurement\">3\/4<\/td>\n                            <td class=\"sae-td sae-measurement\">1\/16<\/td>\n                            <td class=\"sae-td sae-measurement\">9.92<\/td>\n                            <td class=\"sae-td sae-measurement\">19.05<\/td>\n                            <td class=\"sae-td sae-measurement\">1.59<\/td>\n                        <\/tr>\n                        <tr class=\"sae-tr\">\n                            <td class=\"sae-td sae-size-column\">7\/16&#8243;<\/td>\n                            <td class=\"sae-td sae-measurement\">29\/64<\/td>\n                            <td class=\"sae-td sae-measurement\">13\/16<\/td>\n                            <td class=\"sae-td sae-measurement\">1\/16<\/td>\n                            <td class=\"sae-td sae-measurement\">11.51<\/td>\n                            <td class=\"sae-td sae-measurement\">20.64<\/td>\n                            <td class=\"sae-td sae-measurement\">1.59<\/td>\n                        <\/tr>\n                        <tr class=\"sae-tr\">\n                            <td class=\"sae-td sae-size-column\">1\/2&#8243;<\/td>\n                            <td class=\"sae-td sae-measurement\">33\/64<\/td>\n                            <td class=\"sae-td sae-measurement\">7\/8<\/td>\n                            <td class=\"sae-td sae-measurement\">1\/16<\/td>\n                            <td class=\"sae-td sae-measurement\">13.10<\/td>\n                            <td class=\"sae-td sae-measurement\">22.23<\/td>\n                            <td class=\"sae-td sae-measurement\">1.59<\/td>\n                        <\/tr>\n                        <tr class=\"sae-tr\">\n                            <td class=\"sae-td sae-size-column\">9\/16&#8243;<\/td>\n                            <td class=\"sae-td sae-measurement\">37\/64<\/td>\n                            <td class=\"sae-td sae-measurement\">15\/16<\/td>\n                            <td class=\"sae-td sae-measurement\">1\/16<\/td>\n                            <td class=\"sae-td sae-measurement\">14.68<\/td>\n                            <td class=\"sae-td sae-measurement\">23.81<\/td>\n                            <td class=\"sae-td sae-measurement\">1.59<\/td>\n                        <\/tr>\n                        <tr class=\"sae-tr\">\n                            <td class=\"sae-td sae-size-column\">5\/8&#8243;<\/td>\n                            <td class=\"sae-td sae-measurement\">41\/64<\/td>\n                            <td class=\"sae-td sae-measurement\">1-1\/16<\/td>\n                            <td class=\"sae-td sae-measurement\">1\/16<\/td>\n                            <td class=\"sae-td sae-measurement\">16.27<\/td>\n                            <td class=\"sae-td sae-measurement\">26.99<\/td>\n                            <td class=\"sae-td sae-measurement\">1.59<\/td>\n                        <\/tr>\n                        <tr class=\"sae-tr\">\n                            <td class=\"sae-td sae-size-column\">3\/4&#8243;<\/td>\n                            <td class=\"sae-td sae-measurement\">49\/64<\/td>\n                            <td class=\"sae-td sae-measurement\">1-1\/4<\/td>\n                            <td class=\"sae-td sae-measurement\">5\/64<\/td>\n                            <td class=\"sae-td sae-measurement\">19.45<\/td>\n                            <td class=\"sae-td sae-measurement\">31.75<\/td>\n                            <td class=\"sae-td sae-measurement\">1.98<\/td>\n                        <\/tr>\n                        <tr class=\"sae-tr\">\n                            <td class=\"sae-td sae-size-column\">7\/8&#8243;<\/td>\n                            <td class=\"sae-td sae-measurement\">57\/64<\/td>\n                            <td class=\"sae-td sae-measurement\">1-7\/16<\/td>\n                            <td class=\"sae-td sae-measurement\">5\/64<\/td>\n                            <td class=\"sae-td sae-measurement\">22.62<\/td>\n                            <td class=\"sae-td sae-measurement\">36.51<\/td>\n                            <td class=\"sae-td sae-measurement\">1.98<\/td>\n                        <\/tr>\n                        <tr class=\"sae-tr\">\n                            <td class=\"sae-td sae-size-column\">1&#8243;<\/td>\n                            <td class=\"sae-td sae-measurement\">1-1\/32<\/td>\n                            <td class=\"sae-td sae-measurement\">1-5\/8<\/td>\n                            <td class=\"sae-td sae-measurement\">5\/64<\/td>\n                            <td class=\"sae-td sae-measurement\">26.19<\/td>\n                            <td class=\"sae-td sae-measurement\">41.28<\/td>\n                            <td class=\"sae-td sae-measurement\">1.98<\/td>\n                        <\/tr>\n                        <tr class=\"sae-tr\">\n                            <td class=\"sae-td sae-size-column\">1-1\/8&#8243;<\/td>\n                            <td class=\"sae-td sae-measurement\">1-5\/32<\/td>\n                            <td class=\"sae-td sae-measurement\">1-13\/16<\/td>\n                            <td class=\"sae-td sae-measurement\">5\/64<\/td>\n                            <td class=\"sae-td sae-measurement\">29.37<\/td>\n                            <td class=\"sae-td sae-measurement\">46.04<\/td>\n                            <td class=\"sae-td sae-measurement\">1.98<\/td>\n                        <\/tr>\n                        <tr class=\"sae-tr\">\n                            <td class=\"sae-td sae-size-column\">1-1\/4&#8243;<\/td>\n                            <td class=\"sae-td sae-measurement\">1-5\/16<\/td>\n                            <td class=\"sae-td sae-measurement\">2<\/td>\n                            <td class=\"sae-td sae-measurement\">5\/64<\/td>\n                            <td class=\"sae-td sae-measurement\">33.34<\/td>\n                            <td class=\"sae-td sae-measurement\">50.80<\/td>\n                            <td class=\"sae-td sae-measurement\">1.98<\/td>\n                        <\/tr>\n                        <tr class=\"sae-tr\">\n                            <td class=\"sae-td sae-size-column\">1-3\/8&#8243;<\/td>\n                            <td class=\"sae-td sae-measurement\">1-7\/16<\/td>\n                            <td class=\"sae-td sae-measurement\">2-3\/16<\/td>\n                            <td class=\"sae-td sae-measurement\">5\/64<\/td>\n                            <td class=\"sae-td sae-measurement\">36.51<\/td>\n                            <td class=\"sae-td sae-measurement\">55.56<\/td>\n                            <td class=\"sae-td sae-measurement\">1.98<\/td>\n                        <\/tr>\n                        <tr class=\"sae-tr\">\n                            <td class=\"sae-td sae-size-column\">1-1\/2&#8243;<\/td>\n                            <td class=\"sae-td sae-measurement\">1-5\/8<\/td>\n                            <td class=\"sae-td sae-measurement\">2-3\/8<\/td>\n                            <td class=\"sae-td sae-measurement\">5\/64<\/td>\n                            <td class=\"sae-td sae-measurement\">41.28<\/td>\n                            <td class=\"sae-td sae-measurement\">60.33<\/td>\n                            <td class=\"sae-td sae-measurement\">1.98<\/td>\n                        <\/tr>\n                        <tr class=\"sae-tr\">\n                            <td class=\"sae-td sae-size-column\">1-5\/8&#8243;<\/td>\n                            <td class=\"sae-td sae-measurement\">1-3\/4<\/td>\n                            <td class=\"sae-td sae-measurement\">2-9\/16<\/td>\n                            <td class=\"sae-td sae-measurement\">5\/64<\/td>\n                            <td class=\"sae-td sae-measurement\">44.45<\/td>\n                            <td class=\"sae-td sae-measurement\">65.09<\/td>\n                            <td class=\"sae-td sae-measurement\">1.98<\/td>\n                        <\/tr>\n                        <tr class=\"sae-tr\">\n                            <td class=\"sae-td sae-size-column\">1-3\/4&#8243;<\/td>\n                            <td class=\"sae-td sae-measurement\">1-7\/8<\/td>\n                            <td class=\"sae-td sae-measurement\">2-3\/4<\/td>\n                            <td class=\"sae-td sae-measurement\">5\/64<\/td>\n                            <td class=\"sae-td sae-measurement\">47.63<\/td>\n                            <td class=\"sae-td sae-measurement\">69.85<\/td>\n                            <td class=\"sae-td sae-measurement\">1.98<\/td>\n                        <\/tr>\n                        <tr class=\"sae-tr\">\n                            <td class=\"sae-td sae-size-column\">2&#8243;<\/td>\n                            <td class=\"sae-td sae-measurement\">2-1\/8<\/td>\n                            <td class=\"sae-td sae-measurement\">3<\/td>\n                            <td class=\"sae-td sae-measurement\">3\/32<\/td>\n                            <td class=\"sae-td sae-measurement\">53.98<\/td>\n                            <td class=\"sae-td sae-measurement\">76.20<\/td>\n                            <td class=\"sae-td sae-measurement\">2.38<\/td>\n                        <\/tr>\n                        <tr class=\"sae-tr\">\n                            <td class=\"sae-td sae-size-column\">2-1\/4&#8243;<\/td>\n                            <td class=\"sae-td sae-measurement\">2-3\/8<\/td>\n                            <td class=\"sae-td sae-measurement\">3-3\/8<\/td>\n                            <td class=\"sae-td sae-measurement\">3\/32<\/td>\n                            <td class=\"sae-td sae-measurement\">60.33<\/td>\n                            <td class=\"sae-td sae-measurement\">85.73<\/td>\n                            <td class=\"sae-td sae-measurement\">2.38<\/td>\n                        <\/tr>\n                        <tr class=\"sae-tr\">\n                            <td class=\"sae-td sae-size-column\">2-1\/2&#8243;<\/td>\n                            <td class=\"sae-td sae-measurement\">2-5\/8<\/td>\n                            <td class=\"sae-td sae-measurement\">3-3\/4<\/td>\n                            <td class=\"sae-td sae-measurement\">3\/32<\/td>\n                            <td class=\"sae-td sae-measurement\">66.68<\/td>\n                            <td class=\"sae-td sae-measurement\">95.25<\/td>\n                            <td class=\"sae-td sae-measurement\">2.38<\/td>\n                        <\/tr>\n                        <tr class=\"sae-tr\">\n                            <td class=\"sae-td sae-size-column\">2-3\/4&#8243;<\/td>\n                            <td class=\"sae-td sae-measurement\">2-7\/8<\/td>\n                            <td class=\"sae-td sae-measurement\">4-1\/8<\/td>\n                            <td class=\"sae-td sae-measurement\">3\/32<\/td>\n                            <td class=\"sae-td sae-measurement\">73.03<\/td>\n                            <td class=\"sae-td sae-measurement\">104.78<\/td>\n                            <td class=\"sae-td sae-measurement\">2.38<\/td>\n                        <\/tr>\n                        <tr class=\"sae-tr\">\n                            <td class=\"sae-td sae-size-column\">3&#8243;<\/td>\n                            <td class=\"sae-td sae-measurement\">3-1\/8<\/td>\n                            <td class=\"sae-td sae-measurement\">4-1\/2<\/td>\n                            <td class=\"sae-td sae-measurement\">3\/32<\/td>\n                            <td class=\"sae-td sae-measurement\">79.38<\/td>\n                            <td class=\"sae-td sae-measurement\">114.30<\/td>\n                            <td class=\"sae-td sae-measurement\">2.38<\/td>\n                        <\/tr>\n                    <\/tbody>\n                <\/table>\n            <\/div>\n        <\/div>\n    <\/div>\n\n\n\n\n\n<p><\/p>\n\n\n\n<h3>Parting Thoughts<\/h3>\n\n\n\n<p><a href=\"https:\/\/us.misumi-ec.com\/\">MISUMI USA<\/a>&nbsp;offers a wide range of washers and fasteners\u2014both standard and configurable\u2014including flat washers, spring washers, lock washers, and more. If you\u2019re unsure which washer product best suits your application, our engineering team is&nbsp;<a href=\"https:\/\/us.misumi-ec.com\/service\/info\/help-center\/product-support.html\">here to help<\/a>. For more technical insights, explore our other manufacturing-focused tables and articles, such as a&nbsp;<a href=\"https:\/\/us.misumi-ec.com\/blog\/machine-screw-diameters-and-dimensions\/\">machine screw size chart<\/a>.<\/p>\n\n\n\n<style>\n.washer-cta {\n    display: inline-flex;\n    align-items: center;\n    padding: 12px 24px;\n    background: linear-gradient(135deg, #FFD700 0%, #FFC107 100%);\n    color: #003366;\n    text-decoration: none;\n    border-radius: 6px;\n    font-weight: 600;\n    font-size: 16px;\n    letter-spacing: 0.5px;\n    transition: all 0.3s ease;\n    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);\n    border: 2px solid #0066CC;\n    cursor: pointer;\n    text-transform: uppercase;\n}\n\n.washer-cta:hover {\n    background: linear-gradient(135deg, #FFC107 0%, #FFB300 100%);\n    border-color: #004499;\n    transform: translateY(-2px);\n    box-shadow: 0 6px 16px rgba(255, 215, 0, 0.4);\n}\n\n.washer-cta:active {\n    transform: translateY(0);\n    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);\n}\n\n.cta-icon {\n    margin-right: 8px;\n    font-size: 18px;\n}\n<\/style>\n\n<a href=\"https:\/\/us.misumi-ec.com\/vona2\/mech_screw\/M3302000000\/M3302010000\/\" class=\"washer-cta\">\n    <span class=\"cta-icon\">\u2699<\/span>\n    Browse Washer Products\n<\/a>\n\n\n\n<p><\/p>\n\n\n\n<p>Author:&nbsp;<a href=\"https:\/\/us.misumi-ec.com\/blog\/author\/sbredemann\/\">Scott Bredemann<\/a>&nbsp;| Updated: 6\/26\/2025<\/p>\n\n\n\n<p class=\"has-small-font-size\"><strong>Disclaimer:<br><\/strong>The content on this webpage is for informational purposes only. MISUMI makes no guarantees, expressed or implied, regarding the accuracy, completeness, or validity of the information. Performance parameters, tolerances, designs, materials, or processes should not be assumed to reflect third-party suppliers\u2019 or manufacturers\u2019 deliverables within MISUMI\u2019s network. Buyers are responsible for specifying their part requirements<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Washers may seem like simple hardware, but choosing the correct size is essential for ensuring proper load distribution and secure fastening. This chart covers standard dimensions for both SAE and USS flat washers, making it easier to find the right fit for your application. Whether you&#8217;re checking inner diameter, outer diameter, or thickness, you&#8217;ll find the key specs here. USS [&hellip;]<\/p>\n","protected":false},"author":70,"featured_media":15135,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/pages\/15123"}],"collection":[{"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/users\/70"}],"replies":[{"embeddable":true,"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/comments?post=15123"}],"version-history":[{"count":5,"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/pages\/15123\/revisions"}],"predecessor-version":[{"id":15137,"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/pages\/15123\/revisions\/15137"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/media\/15135"}],"wp:attachment":[{"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/media?parent=15123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}