{"id":15038,"date":"2025-06-10T14:42:17","date_gmt":"2025-06-10T19:42:17","guid":{"rendered":"https:\/\/blog.misumiusa.com\/?page_id=15038"},"modified":"2025-06-11T11:37:27","modified_gmt":"2025-06-11T16:37:27","slug":"machine-screw-diameters-and-dimensions","status":"publish","type":"page","link":"https:\/\/us.misumi-ec.com\/blog\/machine-screw-diameters-and-dimensions\/","title":{"rendered":"Machine Screw Size Chart | Diameters &#038; Dimensions"},"content":{"rendered":"\n<p>This chart provides a quick reference to US machine screw diameters, including decimal and metric equivalents, nearest fractional sizes, and standard thread pitches. Whether you&#8217;re selecting hardware for a prototype or replacing components in existing equipment, having a reliable machine screw size chart on hand can save time and prevent costly errors. Below, you&#8217;ll find a clear breakdown of <a href=\"https:\/\/us.misumi-ec.com\/vona2\/mech_screw\/M3301000000\/M3301050000\/\" title=\"\">machine screw<\/a> thread sizes from #0 to 1\/2&#8243;, aligned with both coarse and fine thread pitch standards commonly used in the U.S.<\/p>\n\n\n\n<meta charset=\"UTF-8\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n    <title>Machine Screw Diameter Table<\/title>\n    <style>\n        .screw-table-container {\n            font-family: Arial, sans-serif;\n            margin: 20px;\n            max-width: 100%;\n            overflow-x: auto;\n        }\n        \n        .screw-table {\n            border-collapse: collapse;\n            width: 100%;\n            max-width: 800px;\n            background-color: #fff;\n            box-shadow: 0 2px 8px rgba(0,0,0,0.1);\n            border-radius: 8px;\n            overflow: hidden;\n        }\n        \n        .screw-table th {\n            background: #2563eb;\n            color: white;\n            padding: 12px 8px;\n            text-align: center;\n            font-weight: 600;\n            font-size: 14px;\n            border-bottom: 2px solid #1d4ed8;\n        }\n        \n        .screw-table td {\n            padding: 10px 8px;\n            text-align: center;\n            border-bottom: 1px solid #e2e8f0;\n            transition: all 0.3s ease;\n            font-size: 13px;\n        }\n        \n        .screw-table tbody tr:hover {\n            background-color: #f7fafc;\n            transform: translateY(-1px);\n            box-shadow: 0 4px 12px rgba(0,0,0,0.1);\n        }\n        \n        .screw-table tbody tr:hover td {\n            color: #2d3748;\n            font-weight: 500;\n        }\n        \n        .size-number {\n            font-weight: 600;\n            color: #4a5568;\n        }\n        \n        .screw-table tbody tr:nth-child(even) {\n            background-color: #f8fafc;\n        }\n        \n        .screw-table tbody tr:nth-child(even):hover {\n            background-color: #edf2f7;\n        }\n        \n        @media (max-width: 768px) {\n            .screw-table {\n                font-size: 12px;\n            }\n            \n            .screw-table th,\n            .screw-table td {\n                padding: 8px 4px;\n            }\n        }\n    <\/style>\n\n\n    <div class=\"screw-table-container\">\n        <table class=\"screw-table\">\n            <thead>\n                <tr>\n                    <th>Size #<\/th>\n                    <th>Decimal (in)<\/th>\n                    <th>Metric (mm)<\/th>\n                    <th>Nearest Fraction<\/th>\n                    <th>TPI Coarse<\/th>\n                    <th>TPI Fine<\/th>\n                <\/tr>\n            <\/thead>\n            <tbody>\n                <tr>\n                    <td class=\"size-number\">#0<\/td>\n                    <td>0.0600<\/td>\n                    <td>1.52<\/td>\n                    <td>1\/16&#8243;<\/td>\n                    <td>80<\/td>\n                    <td>&#8211;<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"size-number\">#1<\/td>\n                    <td>0.0730<\/td>\n                    <td>1.85<\/td>\n                    <td>5\/64&#8243;<\/td>\n                    <td>64<\/td>\n                    <td>72<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"size-number\">#2<\/td>\n                    <td>0.0860<\/td>\n                    <td>2.18<\/td>\n                    <td>3\/32&#8243;<\/td>\n                    <td>56<\/td>\n                    <td>64<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"size-number\">#3<\/td>\n                    <td>0.0990<\/td>\n                    <td>2.51<\/td>\n                    <td>7\/64&#8243;<\/td>\n                    <td>48<\/td>\n                    <td>56<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"size-number\">#4<\/td>\n                    <td>0.1120<\/td>\n                    <td>2.84<\/td>\n                    <td>7\/64&#8243;<\/td>\n                    <td>40<\/td>\n                    <td>48<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"size-number\">#5<\/td>\n                    <td>0.1250<\/td>\n                    <td>3.18<\/td>\n                    <td>1\/8&#8243;<\/td>\n                    <td>40<\/td>\n                    <td>44<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"size-number\">#6<\/td>\n                    <td>0.1380<\/td>\n                    <td>3.51<\/td>\n                    <td>9\/64&#8243;<\/td>\n                    <td>32<\/td>\n                    <td>40<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"size-number\">#8<\/td>\n                    <td>0.1640<\/td>\n                    <td>4.17<\/td>\n                    <td>5\/32&#8243;<\/td>\n                    <td>32<\/td>\n                    <td>36<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"size-number\">#10<\/td>\n                    <td>0.1900<\/td>\n                    <td>4.83<\/td>\n                    <td>3\/16&#8243;<\/td>\n                    <td>24<\/td>\n                    <td>32<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"size-number\">#12<\/td>\n                    <td>0.2160<\/td>\n                    <td>5.49<\/td>\n                    <td>7\/32&#8243;<\/td>\n                    <td>24<\/td>\n                    <td>28<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"size-number\">1\/4&#8243;<\/td>\n                    <td>0.2500<\/td>\n                    <td>6.35<\/td>\n                    <td>1\/4&#8243;<\/td>\n                    <td>20<\/td>\n                    <td>28<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"size-number\">5\/16&#8243;<\/td>\n                    <td>0.3125<\/td>\n                    <td>7.94<\/td>\n                    <td>5\/16&#8243;<\/td>\n                    <td>18<\/td>\n                    <td>24<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"size-number\">3\/8&#8243;<\/td>\n                    <td>0.3750<\/td>\n                    <td>9.53<\/td>\n                    <td>3\/8&#8243;<\/td>\n                    <td>16<\/td>\n                    <td>24<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"size-number\">7\/16&#8243;<\/td>\n                    <td>0.4375<\/td>\n                    <td>11.11<\/td>\n                    <td>7\/16&#8243;<\/td>\n                    <td>14<\/td>\n                    <td>20<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"size-number\">1\/2&#8243;<\/td>\n                    <td>0.5000<\/td>\n                    <td>12.70<\/td>\n                    <td>1\/2&#8243;<\/td>\n                    <td>13<\/td>\n                    <td>20<\/td>\n                <\/tr>\n            <\/tbody>\n        <\/table>\n    <\/div>\n\n\n\n<p>Find machine screws and a huge array of other fasteners at <a href=\"https:\/\/us.misumi-ec.com\/\" title=\"\">MISUMI USA<\/a>.  Need help figuring out what size and type of fastener is best for your needs?  Please contact our team of <a href=\"https:\/\/us.misumi-ec.com\/service\/info\/help-center\/product-support.html\" title=\"\">product experts<\/a>.  Interested in more articles with helpful charts, and calculators for projects and engineers?  Check out more of our blog &#8211; <a href=\"https:\/\/us.misumi-ec.com\/service\/info\/help-center\/product-support.html\" title=\"\">MechLab Blog<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This chart provides a quick reference to US machine screw diameters, including decimal and metric equivalents, nearest fractional sizes, and standard thread pitches. Whether you&#8217;re selecting hardware for a prototype or replacing components in existing equipment, having a reliable machine screw size chart on hand can save time and prevent costly errors. Below, you&#8217;ll find a clear breakdown of machine [&hellip;]<\/p>\n","protected":false},"author":70,"featured_media":15055,"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\/15038"}],"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=15038"}],"version-history":[{"count":5,"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/pages\/15038\/revisions"}],"predecessor-version":[{"id":15059,"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/pages\/15038\/revisions\/15059"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/media\/15055"}],"wp:attachment":[{"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/media?parent=15038"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}