{"id":2407,"date":"2025-12-09T14:15:02","date_gmt":"2025-12-09T06:15:02","guid":{"rendered":"https:\/\/sj-gauge.com\/?p=2407"},"modified":"2026-03-15T18:09:39","modified_gmt":"2026-03-15T10:09:39","slug":"thread-standards-identification","status":"publish","type":"post","link":"https:\/\/www.sj-gauge.com\/es\/thread-standards-identification\/","title":{"rendered":"Introducci\u00f3n a las normas comunes de rosca para instrumentos industriales: Cuatro pasos para identificar las especificaciones de rosca"},"content":{"rendered":"<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u00bfSe siente abrumado por t\u00e9rminos como \u201crosca\u201d, \u201cconexi\u00f3n a proceso\u201d, \u201cconector\u201d y \u201cracor\u201d?<\/strong><br>Por no hablar de las diversas normas y especificaciones comunes regionales a las que hay que hacer frente.<\/p>\n\n\n\n<p>\u00bfDesea encontrar la soluci\u00f3n que mejor se adapte a los requisitos espec\u00edficos de su aplicaci\u00f3n?<br>Explore los cuatro tipos principales de conexiones roscadas que ofrece SJ Gauge: NPT, PT, G y M.<br>Presentaremos cada uno de estos tipos de conexi\u00f3n de hilos de uso frecuente e identificaremos las distinciones entre ellos.<\/p>\n\n\n\n<p>Tambi\u00e9n puede ponerse en contacto con nuestro equipo profesional de ventas, y haremos todo lo posible para ofrecerle las soluciones de medici\u00f3n personalizadas m\u00e1s adecuadas para su aplicaci\u00f3n.<\/p>\n<\/blockquote>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u00cdndice<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Alternar tabla de contenidos\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #7b1e1c;color:#7b1e1c\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #7b1e1c;color:#7b1e1c\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.sj-gauge.com\/es\/thread-standards-identification\/#1-what-are-threads-what-are-their-functions\" >1. \u00bfQu\u00e9 son los hilos? \u00bfCu\u00e1les son sus funciones?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.sj-gauge.com\/es\/thread-standards-identification\/#2-what-problems-can-arise-from-choosing-the-wrong-thread-connection-type\" >2. \u00bfQu\u00e9 problemas puede plantear la elecci\u00f3n de un tipo de rosca incorrecto?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.sj-gauge.com\/es\/thread-standards-identification\/#3-two-measuring-tools-to-know-before-selecting-threads\" >3. Dos herramientas de medici\u00f3n que hay que conocer antes de elegir roscas<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.sj-gauge.com\/es\/thread-standards-identification\/#a-vernier-caliper\" >a. Calibre Vernier<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.sj-gauge.com\/es\/thread-standards-identification\/#b-thread-gauge\" >b. Calibre de roscas<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.sj-gauge.com\/es\/thread-standards-identification\/#4-identifying-threads-in-four-simple-steps\" >4. Identificaci\u00f3n de hilos en cuatro sencillos pasos<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.sj-gauge.com\/es\/thread-standards-identification\/#a-determine-if-the-thread-is-straight-parallel-or-tapered-conical\" >a. Determine si la rosca es recta (paralela) o c\u00f3nica:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.sj-gauge.com\/es\/thread-standards-identification\/#b-determine-the-type-of-thread-and-pitch\" >b. Determinar el tipo de rosca y el paso<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.sj-gauge.com\/es\/thread-standards-identification\/#c-determine-the-size-of-the-connector\" >c. Determinar el tama\u00f1o del conector<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.sj-gauge.com\/es\/thread-standards-identification\/#d-refer-to-various-thread-standard-tables-straight-taper-size-pitch-size\" >d. Consulte las diferentes tablas de normas de roscas (recta, c\u00f3nica, tama\u00f1o, paso, tama\u00f1o).<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.sj-gauge.com\/es\/thread-standards-identification\/#5-four-steps-to-identify-thread-specifications\" >5. Cuatro pasos para identificar las especificaciones de la rosca<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color has-link-color wp-elements-ef3d9be3481b554202d10938e7542595\"><span class=\"ez-toc-section\" id=\"1-what-are-threads-what-are-their-functions\"><\/span>1. \u00bfQu\u00e9 son los hilos? \u00bfCu\u00e1les son sus funciones?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Las roscas, tambi\u00e9n conocidas como racores, conectores y uniones roscadas, se utilizan para conectar man\u00f3metros a fuentes de medios a presi\u00f3n.<\/p>\n\n\n\n<p>Se componen de roscas exteriores (roscas macho) y roscas interiores (roscas hembra) que se aprietan entre s\u00ed.<\/p>\n\n\n\n<p>La funci\u00f3n principal de las roscas es garantizar que la presi\u00f3n o el medio puedan transmitirse al man\u00f3metro en condiciones completamente estancas.<\/p>\n\n\n\n<p>A veces, los accesorios como la cinta de sellado, las juntas t\u00f3ricas y las juntas se utilizan junto con las roscas.<\/p>\n\n\n\n<p>Por lo tanto, a la hora de seleccionar los tama\u00f1os de rosca, es esencial tener en cuenta si se corresponden con las especificaciones del conector del man\u00f3metro.<\/p>\n\n\n\n<p>Al comprar instrumentos como man\u00f3metros o term\u00f3metros, tambi\u00e9n es importante facilitar informaci\u00f3n sobre los tama\u00f1os de rosca al proveedor.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-8 wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\" style=\"border-style:none;border-width:0px;border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-left-radius:0px;border-bottom-right-radius:0px\">\n<figure class=\"wp-block-image size-thumbnail has-custom-border is-style-default\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img decoding=\"async\" width=\"92\" height=\"150\" data-id=\"2408\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/PT\u516b\u5206\u4e4b\u4e00-92x150.png\" alt=\"\" class=\"wp-image-2408\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">PT 1\/8<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img decoding=\"async\" width=\"90\" height=\"150\" data-id=\"2409\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/PT\u56db\u5206\u4e4b\u4e0019\u7259-90x150.png\" alt=\"\" class=\"wp-image-2409\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">PT 1\/4<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img decoding=\"async\" width=\"114\" height=\"150\" data-id=\"2410\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/PT\u516b\u5206\u4e4b\u4e09-114x150.png\" alt=\"\" class=\"wp-image-2410\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">PT 3\/8<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img loading=\"lazy\" decoding=\"async\" width=\"116\" height=\"150\" data-id=\"2411\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/PT\u4e8c\u5206\u4e4b\u4e00-116x150.png\" alt=\"\" class=\"wp-image-2411\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">PT 1\/2<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img loading=\"lazy\" decoding=\"async\" width=\"93\" height=\"150\" data-id=\"2412\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/\u7f8e\u5236\u5341\u516d\u5206\u4e4b\u4e03-93x150.png\" alt=\"\" class=\"wp-image-2412\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">UNF 7\/16<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img loading=\"lazy\" decoding=\"async\" width=\"105\" height=\"150\" data-id=\"2413\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/NPT\u56db\u5206\u4e4b\u4e0018\u7259-105x150.png\" alt=\"\" class=\"wp-image-2413\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">NPT 1\/4<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img loading=\"lazy\" decoding=\"async\" width=\"116\" height=\"150\" data-id=\"2415\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/NPT\u516b\u5206\u4e4b\u4e09-116x150.png\" alt=\"\" class=\"wp-image-2415\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">NPT 3\/8<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-right:0;margin-bottom:var(--wp--preset--spacing--80);margin-left:0\"><img loading=\"lazy\" decoding=\"async\" width=\"115\" height=\"150\" data-id=\"2416\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/NPT\u4e8c\u5206\u4e4b\u4e00-115x150.png\" alt=\"\" class=\"wp-image-2416\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">NPT 1\/2<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img loading=\"lazy\" decoding=\"async\" width=\"91\" height=\"150\" data-id=\"2419\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/G\u56db\u5206\u4e4b\u4e0019\u7259-91x150.png\" alt=\"\" class=\"wp-image-2419\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">G 1\/4<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img loading=\"lazy\" decoding=\"async\" width=\"100\" height=\"150\" data-id=\"2420\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/G\u516b\u5206\u4e4b\u4e09-100x150.png\" alt=\"\" class=\"wp-image-2420\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">G 3\/8<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img loading=\"lazy\" decoding=\"async\" width=\"116\" height=\"150\" data-id=\"2421\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/G\u4e8c\u5206\u4e4b\u4e00-116x150.png\" alt=\"\" class=\"wp-image-2421\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">G 1\/2<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img loading=\"lazy\" decoding=\"async\" width=\"84\" height=\"150\" data-id=\"2422\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/M10x1-84x150.png\" alt=\"\" class=\"wp-image-2422\" style=\"border-style:none;border-width:0px;border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-left-radius:0px;border-bottom-right-radius:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">M 10*1<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img loading=\"lazy\" decoding=\"async\" width=\"91\" height=\"150\" data-id=\"2423\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/M12x1.5-91x150.png\" alt=\"\" class=\"wp-image-2423\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">M 12*1.5<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img loading=\"lazy\" decoding=\"async\" width=\"93\" height=\"150\" data-id=\"2424\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/M14x1.5-93x150.png\" alt=\"\" class=\"wp-image-2424\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">M 14*1.5<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-right:0;margin-bottom:var(--wp--preset--spacing--80);margin-left:0\"><img loading=\"lazy\" decoding=\"async\" width=\"86\" height=\"150\" data-id=\"2425\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/M16x1.5-1-86x150.png\" alt=\"\" class=\"wp-image-2425\" style=\"border-style:none;border-width:0px;border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-left-radius:0px;border-bottom-right-radius:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">M 16*1.5<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img loading=\"lazy\" decoding=\"async\" width=\"109\" height=\"150\" data-id=\"2426\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/M20x1.5-109x150.png\" alt=\"\" class=\"wp-image-2426\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">M 20*1.5<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color has-link-color wp-elements-993c88f3df995e71aef97e15d882c327\"><span class=\"ez-toc-section\" id=\"2-what-problems-can-arise-from-choosing-the-wrong-thread-connection-type\"><\/span>2. \u00bfQu\u00e9 problemas puede plantear la elecci\u00f3n de un tipo de rosca incorrecto?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u00bfQu\u00e9 problemas pueden derivarse de unas conexiones roscadas mal ajustadas?<\/p>\n\n\n\n<p>Antes de confirmar el tipo de conexi\u00f3n roscada, abst\u00e9ngase de conectar roscas a sus instrumentos.<br>Esto puede provocar da\u00f1os en los equipos, paradas en la l\u00ednea de producci\u00f3n y una producci\u00f3n poco eficaz.<br>La inspecci\u00f3n visual no es suficiente para determinar si el tipo de conexi\u00f3n roscada es incorrecto.<\/p>\n\n\n\n<p>\u00bfPor qu\u00e9 es esencial aclarar el tipo de conexi\u00f3n roscada?<\/p>\n\n\n\n<p>Al intentar conectar dos tipos de rosca diferentes, es posible que las roscas no encajen bien entre s\u00ed debido a las diferencias de paso o di\u00e1metro.<br>Esto puede provocar que las roscas no se aprieten completamente. Si intenta forzar su instalaci\u00f3n, puede provocar la deformaci\u00f3n de los \u00e1ngulos de la cresta de la rosca, el atasco y la inmovilidad de las roscas. Aunque finalmente consiga extraerlas de la tuber\u00eda, no podr\u00e1 conseguirse una estanqueidad adecuada.<\/p>\n\n\n\n<p>Todos los problemas anteriores pueden provocar fugas, contaminaci\u00f3n o fallos de los instrumentos del medio de medici\u00f3n del proceso.<br>Afortunadamente, si puede identificar la conexi\u00f3n correcta, puede reducir significativamente la aparici\u00f3n de estos problemas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color\"><span class=\"ez-toc-section\" id=\"3-two-measuring-tools-to-know-before-selecting-threads\"><\/span>3. Dos herramientas de medici\u00f3n que hay que conocer antes de elegir roscas<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"a-vernier-caliper\"><\/span>a. <strong>Calibre Vernier<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Un calibre vernier, tambi\u00e9n conocido como escala vernier, calibre vernier o calibre de escala vernier, es una herramienta de medici\u00f3n de precisi\u00f3n com\u00fan que se utiliza para medir longitudes, di\u00e1metros interiores y exteriores, y profundidades. Consta de dos partes: la escala principal y la escala vernier, que se desliza a lo largo de la escala principal.<\/p>\n\n\n\n<p>La escala principal se suele graduar en mil\u00edmetros (mm) y tiene diferentes subdivisiones, como diez divisiones, veinte divisiones o cincuenta divisiones.<\/p>\n\n\n\n<p>Los calibres vernier se denominan seg\u00fan corresponda, como \u201ccalibre vernier de diez divisiones\u201d, \u201ccalibre vernier de veinte divisiones\u201d o \u201ccalibre vernier de cincuenta divisiones\u201d.\u201d<\/p>\n\n\n\n<p>Hoy en d\u00eda, existen varios estilos de calibres vernier. Adem\u00e1s de la forma tradicional que se muestra en la imagen inferior, tambi\u00e9n existen calibres de esfera (que pueden utilizarse junto con un calibre para medir simult\u00e1neamente) y calibres digitales (que muestran los datos de medici\u00f3n en una pantalla LCD).<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"801\" height=\"534\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/3-XX.jpg\" alt=\"\" class=\"wp-image-2427\" style=\"width:500px\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/3-XX.jpg 801w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/3-XX-300x200.jpg 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/3-XX-768x512.jpg 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/3-XX-600x400.jpg 600w\" sizes=\"(max-width: 801px) 100vw, 801px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"b-thread-gauge\"><\/span>b. Calibre de roscas<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Un calibrador de roscas tambi\u00e9n se conoce como calibrador de tornillos o calibrador de paso.<br>Se utiliza para ayudar a medir las especificaciones de la rosca. Simplemente puede utilizar el calibrador de roscas para comparar repetidamente y encontrar el tama\u00f1o que se ajuste perfectamente.<br>Los tipos de rosca m\u00e1s comunes disponibles en el mercado son los sistemas American Standard, British Standard y Metric, cada uno de los cuales tiene sus propias especificaciones espec\u00edficas de calibre de rosca.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"920\" height=\"464\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/1-XX.jpg\" alt=\"\" class=\"wp-image-2428\" style=\"width:500px\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/1-XX.jpg 920w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/1-XX-300x151.jpg 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/1-XX-768x387.jpg 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/1-XX-600x303.jpg 600w\" sizes=\"(max-width: 920px) 100vw, 920px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color has-link-color wp-elements-741f1a0b4af1ccc3f6a2ac0715ee91a8\"><span class=\"ez-toc-section\" id=\"4-identifying-threads-in-four-simple-steps\"><\/span>4. Identificaci\u00f3n de hilos en cuatro sencillos pasos<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>SJ Gauge le guiar\u00e1 a trav\u00e9s de los \u201cCuatro pasos para identificar las especificaciones de rosca\u201d, y podr\u00e1 seleccionar el tama\u00f1o de rosca m\u00e1s adecuado sigui\u00e9ndolos:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"a-determine-if-the-thread-is-straight-parallel-or-tapered-conical\"><\/span>a. <strong>Determine si la rosca es recta (paralela) o c\u00f3nica:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Si el di\u00e1metro de la rosca aumenta o disminuye gradualmente, la rosca es c\u00f3nica; si el di\u00e1metro permanece constante, la rosca es recta.<br>Si le resulta dif\u00edcil distinguirlo a simple vista, puede ayudarse de un calibre vernier.<br>Basta con sujetar el calibre vernier alrededor de ambos extremos de la rosca y observar.<br>Si ambos lados forman un ligero tri\u00e1ngulo, es c\u00f3nico; si ambos lados permanecen perfectamente paralelos, es recto.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"724\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/SJ_determine_thread_15_en-1024x724.jpg\" alt=\"\" class=\"wp-image-2429\" style=\"width:500px\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/SJ_determine_thread_15_en-1024x724.jpg 1024w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/SJ_determine_thread_15_en-300x212.jpg 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/SJ_determine_thread_15_en-768x543.jpg 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/SJ_determine_thread_15_en-1536x1086.jpg 1536w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/SJ_determine_thread_15_en-600x424.jpg 600w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/SJ_determine_thread_15_en.jpg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"b-determine-the-type-of-thread-and-pitch\"><\/span>b. Determinar el tipo de rosca y el paso<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Utilizando los calibres de rosca m\u00e1s comunes American Standard, British Standard y Metric, el que m\u00e1s se ajusta a la rosca es la especificaci\u00f3n de rosca adecuada.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"842\" height=\"595\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/SJ_thread_15_en.jpg\" alt=\"\" class=\"wp-image-2430\" style=\"width:500px\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/SJ_thread_15_en.jpg 842w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/SJ_thread_15_en-300x212.jpg 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/SJ_thread_15_en-768x543.jpg 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/SJ_thread_15_en-600x424.jpg 600w\" sizes=\"(max-width: 842px) 100vw, 842px\" \/><\/figure>\n\n\n\n<p>Existen dos m\u00e9todos para expresar el paso de rosca, divididos principalmente en sistema m\u00e9trico y otros sistemas (American Standard y British Standard).<br>En el sistema m\u00e9trico decimal (imagen izquierda), la medida es la distancia entre dos crestas de rosca adyacentes (por ejemplo, 1,5 mm entre dos crestas de rosca), mientras que en los sistemas American Standard y British Standard (imagen derecha), la medida es el n\u00famero de roscas por pulgada (por ejemplo, 14 crestas de rosca por pulgada).<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"842\" height=\"595\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/luoya2.jpg\" alt=\"\" class=\"wp-image-2431\" style=\"width:500px\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/luoya2.jpg 842w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/luoya2-300x212.jpg 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/luoya2-768x543.jpg 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/luoya2-600x424.jpg 600w\" sizes=\"(max-width: 842px) 100vw, 842px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"c-determine-the-size-of-the-connector\"><\/span>c. Determinar el tama\u00f1o del conector<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Sujetando un calibre de pie de rey alrededor de ambos extremos de la rosca, se puede obtener una medida aproximada del di\u00e1metro exterior de la uni\u00f3n.<br>A continuaci\u00f3n, puede comparar esta medida con los valores m\u00e1s pr\u00f3ximos de las tablas respectivas para determinar la talla.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"964\" height=\"445\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/4-3_\u5c3a\u5bf8.png\" alt=\"\" class=\"wp-image-2432\" style=\"width:500px\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/4-3_\u5c3a\u5bf8.png 964w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/4-3_\u5c3a\u5bf8-300x138.png 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/4-3_\u5c3a\u5bf8-768x355.png 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/4-3_\u5c3a\u5bf8-600x277.png 600w\" sizes=\"(max-width: 964px) 100vw, 964px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"d-refer-to-various-thread-standard-tables-straight-taper-size-pitch-size\"><\/span>d. Consulte las diferentes tablas de normas de roscas (recta, c\u00f3nica, tama\u00f1o, paso, tama\u00f1o).<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Puede consultar la informaci\u00f3n y las tablas que hemos recopilado a continuaci\u00f3n, en las que se comparan las formas de rosca m\u00e1s comunes, incluidas la American Standard, la British Standard y la Metric.<\/p>\n\n\n\n<p><strong>Roscas rectas American Standard (SAE=UN=UNF)<\/strong><\/p>\n\n\n\n<p>La forma de rosca recta m\u00e1s com\u00fan en Estados Unidos es la rosca UN\/UNF (Unified National Fine), tambi\u00e9n conocida como rosca recta SAE (Society of Automotive Engineers). La tabla siguiente muestra algunos tama\u00f1os comunes de roscas rectas SAE.<br>La convenci\u00f3n de nomenclatura para las roscas rectas American Standard es la siguiente: <strong>Tama\u00f1o - N\u00famero de roscas por pulgada, tipo, por ejemplo, 3\/4-16, UN\/UNF<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-flexible-table-block-table is-content-justification-center\"><table class=\"has-fixed-layout\" style=\"min-width:125%\"><tbody><tr><td colspan=\"6\">American Standard Roscas rectas<br>SAE=UN=UNF<\/td><\/tr><tr><td>Talla<\/td><td rowspan=\"2\">Hilos<br>por<br>pulgada<br>(TPI)<\/td><td colspan=\"3\">Di\u00e1metro de la rosca<br>(mm)<\/td><td rowspan=\"2\">Hilo<br>\u00e1ngulo<\/td><\/tr><tr><td>(pulgadas)<\/td><td>Mayor<br>di\u00e1metro<\/td><td>Simple<br>paso<br>di\u00e1metro<\/td><td>Menor<br>di\u00e1metro<\/td><\/tr><tr><td>5\/16<\/td><td>24<\/td><td>7.938<\/td><td>7.249<\/td><td>6.792<\/td><td rowspan=\"7\">60\u00b0<\/td><\/tr><tr><td>7\/16<\/td><td>20<\/td><td>11.113<\/td><td>10.287<\/td><td>9.738<\/td><\/tr><tr><td>1\/2<\/td><td>20<\/td><td>12.7<\/td><td>11.875<\/td><td>11.325<\/td><\/tr><tr><td>9\/16<\/td><td>18<\/td><td>14.288<\/td><td>13.325<\/td><td>12.559<\/td><\/tr><tr><td>3\/4<\/td><td>16<\/td><td>19.05<\/td><td>18.019<\/td><td>17.331<\/td><\/tr><tr><td>1-1\/16<\/td><td>12<\/td><td>26.988<\/td><td>25.613<\/td><td>24.695<\/td><\/tr><tr><td>1-5\/16<\/td><td>12<\/td><td>33.338<\/td><td>31.963<\/td><td>31.046<\/td><\/tr><tr><td colspan=\"6\">Tama\u00f1o-TPI, Tipo<br>p. ej. 3\/4-16, UN<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Roscas c\u00f3nicas American Standard (NPT \/ NPTF):<\/strong><\/p>\n\n\n\n<p><strong>NPT (National Pipe Taper) Roscas c\u00f3nicas est\u00e1ndar americanas, conocidas oficialmente como rosca c\u00f3nica est\u00e1ndar nacional americana para tubos<\/strong>, se utilizan ampliamente en Estados Unidos para las conexiones de tuber\u00edas.<\/p>\n\n\n\n<p><strong>NPTF American Standard Tapered Threads - Dryseal, tambi\u00e9n conocida como American Standard Pipe Thread Tapered - Dryseal)<\/strong>, no est\u00e1n recomendados por la National Fluid Power Association (N.F.P.A.), pero siguen utiliz\u00e1ndose ampliamente.<\/p>\n\n\n\n<p>La principal diferencia entre las roscas NPT y las roscas NPTF es que la NPT no tiene una cresta afilada, lo que da lugar a un peque\u00f1o punto de fuga despu\u00e9s del montaje, que requiere el uso de sellador para un sellado adecuado.<\/p>\n\n\n\n<p>La nomenclatura de las roscas c\u00f3nicas American Standard es la siguiente: <strong>Tama\u00f1o - N\u00famero de roscas por pulgada, tipo, por ejemplo, 1\/4-18, NPT.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-flexible-table-block-table is-content-justification-center is-scroll-on-mobile\"><table class=\"has-fixed-layout\" style=\"min-width:125%\"><tbody><tr><td colspan=\"6\"><strong>Roscas c\u00f3nicas American Standard<\/strong><br><strong>NPT \/ NPTF<\/strong><\/td><\/tr><tr><td>Talla<\/td><td rowspan=\"2\">Hilos<br>por<br>pulgada<br>(TPI)<\/td><td colspan=\"3\">Di\u00e1metro de la rosca<br>(mm)<\/td><td rowspan=\"2\">Hilo<br>\u00e1ngulo<\/td><\/tr><tr><td>(pulgadas)<\/td><td>Mayor<br>di\u00e1metro<\/td><td>Simple<br>paso<br>di\u00e1metro<\/td><td>Menor<br>di\u00e1metro<\/td><\/tr><tr><td>1\/16<\/td><td>27<\/td><td>7.894<\/td><td>7.142<\/td><td>6.398<\/td><td rowspan=\"10\">60\u00b0<\/td><\/tr><tr><td>1\/8<\/td><td>27<\/td><td>10.242<\/td><td>9.489<\/td><td>8.737<\/td><\/tr><tr><td>1\/4<\/td><td>18<\/td><td>13.616<\/td><td>12.487<\/td><td>11.358<\/td><\/tr><tr><td>3\/8<\/td><td>18<\/td><td>17.055<\/td><td>15.926<\/td><td>14.797<\/td><\/tr><tr><td>1\/2<\/td><td>14<\/td><td>21.224<\/td><td>19.772<\/td><td>18.321<\/td><\/tr><tr><td>3\/4<\/td><td>14<\/td><td>26.569<\/td><td>25.117<\/td><td>23.666<\/td><\/tr><tr><td>1<\/td><td>11.5<\/td><td>33.228<\/td><td>31.461<\/td><td>29.694<\/td><\/tr><tr><td>1-1\/4<\/td><td>11.5<\/td><td>41.985<\/td><td>40.218<\/td><td>38.454<\/td><\/tr><tr><td>1-1\/2<\/td><td>11<\/td><td>48.054<\/td><td>46.287<\/td><td>44.52<\/td><\/tr><tr><td>2<\/td><td>11<\/td><td>60.092<\/td><td>58.325<\/td><td>56.558<\/td><\/tr><tr><td colspan=\"6\">Tama\u00f1o-TPI, Tipo<br>p. ej. 1\/4-18, NPT<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Roscas paralelas est\u00e1ndar brit\u00e1nicas (BSPP=BSP=PF=G):<\/strong><\/p>\n\n\n\n<p>Estas roscas cumplen las normas establecidas por la British Standards Institution (BSI). Las roscas paralelas est\u00e1ndar brit\u00e1nicas suelen denominarse con uno de estos cuatro t\u00e9rminos: Rosca G, BSPP (British Standard Pipe Parallel), BSPM o BSP.<\/p>\n\n\n\n<p>BSPF (British Standard Pipe Fitting) es el antiguo t\u00e9rmino utilizado para las roscas paralelas est\u00e1ndar brit\u00e1nicas. Se introdujo para resolver la confusi\u00f3n entre BSPP (British Standard Pipe Parallel) y BSPT (British Standard Tapered Threads) en cuanto a la pronunciaci\u00f3n.<\/p>\n\n\n\n<p>La convenci\u00f3n de nomenclatura para las roscas paralelas est\u00e1ndar brit\u00e1nicas es la siguiente: <strong>Tama\u00f1o G - N\u00famero de roscas por pulgada, por ejemplo, G 1\/8-28<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-flexible-table-block-table is-content-justification-center\"><table class=\"has-fixed-layout\" style=\"min-width:125%\"><tbody><tr><td colspan=\"6\">Roscas paralelas est\u00e1ndar brit\u00e1nicas<br>BSPP=BSP=PF=G<\/td><\/tr><tr><td>Talla<\/td><td rowspan=\"2\">Hilos<br>por<br>pulgada<br>(TPI)<\/td><td colspan=\"3\">Di\u00e1metro de la rosca<br>(mm)<\/td><td rowspan=\"2\">Hilo<br>\u00e1ngulo<\/td><\/tr><tr><td>(pulgadas)<\/td><td>Mayor<br>di\u00e1metro<\/td><td>Simple<br>paso<br>di\u00e1metro<\/td><td>Menor<br>di\u00e1metro<\/td><\/tr><tr><td>1\/16<\/td><td>28<\/td><td>7.732<\/td><td>7.142<\/td><td>6.561<\/td><td rowspan=\"14\">55\u00b0<\/td><\/tr><tr><td>1\/8<\/td><td>28<\/td><td>9.782<\/td><td>9.147<\/td><td>8.566<\/td><\/tr><tr><td>1\/4<\/td><td>19<\/td><td>13.157<\/td><td>12.301<\/td><td>11.455<\/td><\/tr><tr><td>3\/8<\/td><td>19<\/td><td>16.662<\/td><td>15.806<\/td><td>14.95<\/td><\/tr><tr><td>1\/2<\/td><td>14<\/td><td>20.955<\/td><td>19.793<\/td><td>18.631<\/td><\/tr><tr><td>5\/8<\/td><td>14<\/td><td>22.911<\/td><td>21.749<\/td><td>20.587<\/td><\/tr><tr><td>3\/4<\/td><td>14<\/td><td>26.441<\/td><td>25.279<\/td><td>24.117<\/td><\/tr><tr><td>7\/8<\/td><td>14<\/td><td>30.201<\/td><td>29.039<\/td><td>27.877<\/td><\/tr><tr><td>1<\/td><td>11<\/td><td>33.249<\/td><td>31.77<\/td><td>30.291<\/td><\/tr><tr><td>1-1\/8<\/td><td>11<\/td><td>37.897<\/td><td>36.418<\/td><td>34.939<\/td><\/tr><tr><td>1-1\/4<\/td><td>11<\/td><td>41.91<\/td><td>40.431<\/td><td>38.952<\/td><\/tr><tr><td>1-1\/2<\/td><td>11<\/td><td>47.803<\/td><td>46.324<\/td><td>44.845<\/td><\/tr><tr><td>1-3\/4<\/td><td>11<\/td><td>53.746<\/td><td>52.267<\/td><td>50.788<\/td><\/tr><tr><td>2<\/td><td>11<\/td><td>59.614<\/td><td>58.135<\/td><td>56.656<\/td><\/tr><tr><td colspan=\"6\">G Tama\u00f1o-TPI<br>por ejemplo, Sol 1\/8-28<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Roscas c\u00f3nicas est\u00e1ndar brit\u00e1nicas (BSPT=PT=R=RC=ZG):<\/strong><\/p>\n\n\n\n<p><strong>Las roscas c\u00f3nicas est\u00e1ndar brit\u00e1nicas se conocen com\u00fanmente como BSPT (The British Standard Pipe Taper).<\/strong>, aunque el t\u00e9rmino \u201cHilo R\u201d lo ha sustituido en la actualidad. Sin embargo, BSPT sigue siendo uno de los t\u00e9rminos ampliamente aceptados.<\/p>\n\n\n\n<p>La nomenclatura de las roscas c\u00f3nicas British Standard es la siguiente: <strong>Tama\u00f1o R - N\u00famero de roscas por pulgada, por ejemplo, R 1\/2-14<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-flexible-table-block-table is-content-justification-center\"><table class=\"has-fixed-layout\" style=\"min-width:125%\"><tbody><tr><td colspan=\"6\"> Roscas c\u00f3nicas est\u00e1ndar brit\u00e1nicas<br>BSPT=PT=R=RC=ZG<\/td><\/tr><tr><td>Talla<\/td><td rowspan=\"2\">Hilos<br>por<br>pulgada<br>(TPI)<\/td><td colspan=\"3\">Di\u00e1metro de la rosca<br>(mm)<\/td><td rowspan=\"2\">Hilo<br>\u00e1ngulo<\/td><\/tr><tr><td>(pulgadas)<\/td><td>Mayor<br>di\u00e1metro<\/td><td>Simple<br>paso<br>di\u00e1metro<\/td><td>Menor<br>di\u00e1metro<\/td><\/tr><tr><td>1\/16<\/td><td>28<\/td><td>7.723<\/td><td>7.142<\/td><td>6.561<\/td><td rowspan=\"10\">55\u00b0<\/td><\/tr><tr><td>1\/8<\/td><td>28<\/td><td>9.728<\/td><td>9.147<\/td><td>8.566<\/td><\/tr><tr><td>1\/4<\/td><td>19<\/td><td>13.157<\/td><td>12.3<\/td><td>11.445<\/td><\/tr><tr><td>3\/8<\/td><td>19<\/td><td>16.662<\/td><td>15.81<\/td><td>14.95<\/td><\/tr><tr><td>1\/2<\/td><td>14<\/td><td>20.995<\/td><td>19.79<\/td><td>18.631<\/td><\/tr><tr><td>3\/4<\/td><td>14<\/td><td>26.441<\/td><td>25.28<\/td><td>24.117<\/td><\/tr><tr><td>1<\/td><td>11<\/td><td>33.249<\/td><td>31.77<\/td><td>30.291<\/td><\/tr><tr><td>1-1\/4<\/td><td>11<\/td><td>41.91<\/td><td>40.43<\/td><td>38.952<\/td><\/tr><tr><td>1-1\/2<\/td><td>11<\/td><td>47.803<\/td><td>46.32<\/td><td>44.845<\/td><\/tr><tr><td>2<\/td><td>11<\/td><td>59.641<\/td><td>58.14<\/td><td>56.656<\/td><\/tr><tr><td colspan=\"6\">R Tama\u00f1o-TPI<br>por ejemplo, R 1\/2-14<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Roscas m\u00e9tricas ISO (M):<\/strong><\/p>\n\n\n\n<p>Las roscas m\u00e9tricas ISO son uno de los primeros tipos de rosca universales reconocidos internacionalmente. La norma ISO 68-1 define los principios de dise\u00f1o de las roscas m\u00e9tricas. Las roscas m\u00e9tricas ISO consisten en roscas sim\u00e9tricas en forma de V. El perfil de la rosca en V tiene un \u00e1ngulo de rosca de 60\u00b0, y tanto la rosca exterior como la interior son paralelas.<\/p>\n\n\n\n<p>Las roscas m\u00e9tricas ISO se indican con la letra \u201c<strong>M\u201d (sistema m\u00e9trico) <\/strong>y est\u00e1n disponibles en dos tama\u00f1os de paso: grueso y fino. Las roscas gruesas son las m\u00e1s utilizadas y tienen tama\u00f1os de paso predeterminados, mientras que las roscas finas tienen tama\u00f1os de paso m\u00e1s peque\u00f1os. Puede determinar el tama\u00f1o de la rosca a partir del formato de etiquetado, como \u201cM4 * 0,5\u201d, que indica un di\u00e1metro de rosca de 4 mm y un tama\u00f1o de paso de 0,5 mm.<\/p>\n\n\n\n<p>Si el paso de rosca corresponde al paso grueso com\u00fanmente utilizado que figura en las normas ISO 261 o ISO 262, puede omitirse (por ejemplo, M8). Por ejemplo, si solo se indica \u201cM20\u201d, se trata de una rosca gruesa.<\/p>\n\n\n\n<p>La nomenclatura de las roscas m\u00e9tricas rectas es la siguiente:<strong> Tama\u00f1o M - Paso, por ejemplo, M 14 * 1,5.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-flexible-table-block-table is-content-justification-center\"><table class=\"has-fixed-layout\" style=\"min-width:125%\"><tbody><tr><td colspan=\"6\"><strong>Roscas m\u00e9tricas ISO<\/strong><br><strong>M<\/strong><\/td><\/tr><tr><td>Talla<\/td><td rowspan=\"2\">Pitch<\/td><td colspan=\"3\">Di\u00e1metro de la rosca<br>(mm)<\/td><td rowspan=\"2\">Hilo<br>\u00e1ngulo<\/td><\/tr><tr><td>(pulgadas)<\/td><td>Mayor<br>di\u00e1metro<\/td><td>Simple<br>paso<br>di\u00e1metro<\/td><td>Menor<br>di\u00e1metro<\/td><\/tr><tr><td>M6<\/td><td rowspan=\"3\">1<\/td><td>6<\/td><td>5.35<\/td><td>4.917<\/td><td rowspan=\"14\">60\u00b0<\/td><\/tr><tr><td>M8<\/td><td>8<\/td><td>7.35<\/td><td>6.917<\/td><\/tr><tr><td>M10<\/td><td>10<\/td><td>9.35<\/td><td>8.917<\/td><\/tr><tr><td>M12<\/td><td rowspan=\"7\">1.5<\/td><td>12<\/td><td>11.03<\/td><td>10.376<\/td><\/tr><tr><td>M14<\/td><td>14<\/td><td>13.03<\/td><td>12.376<\/td><\/tr><tr><td>M16<\/td><td>16<\/td><td>15.03<\/td><td>14.376<\/td><\/tr><tr><td>M18<\/td><td>18<\/td><td>17.03<\/td><td>16.376<\/td><\/tr><tr><td>M20<\/td><td>20<\/td><td>19.03<\/td><td>18.376<\/td><\/tr><tr><td>M22<\/td><td>22<\/td><td>21.03<\/td><td>20.376<\/td><\/tr><tr><td>M24<\/td><td>24<\/td><td>23.03<\/td><td>22.376<\/td><\/tr><tr><td>M27<\/td><td rowspan=\"4\">2<\/td><td>27<\/td><td>25.7<\/td><td>24.835<\/td><\/tr><tr><td>M30<\/td><td>30<\/td><td>28.7<\/td><td>27.835<\/td><\/tr><tr><td>M33<\/td><td>33<\/td><td>31.7<\/td><td>30.835<\/td><\/tr><tr><td>M36<\/td><td>36<\/td><td>34.7<\/td><td>33.835<\/td><\/tr><tr><td colspan=\"6\">M Tama\u00f1o x Paso<br>por ejemplo, M 14 x 1,5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color has-link-color wp-elements-e31985a848a834b7a295a1f8565dd6c4\"><span class=\"ez-toc-section\" id=\"5-four-steps-to-identify-thread-specifications\"><\/span>5. Cuatro pasos para identificar las especificaciones de la rosca<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-flexible-table-block-table is-content-justification-center\"><table class=\"has-fixed-layout\" style=\"min-width:125%\"><tbody><tr><td rowspan=\"2\">Rosca est\u00e1ndar<\/td><td>Primer paso<\/td><td>Paso 2<\/td><td>Paso 3<\/td><td>Paso 4<\/td><\/tr><tr><td>Determinar el tipo de hilo<\/td><td>Determinar el paso de rosca<\/td><td>Determinar el tama\u00f1o de la rosca<\/td><td>Determinar la norma de rosca<\/td><\/tr><tr><td>Roscas rectas American Standard (SAE=UN=UNF)<\/td><td>Recto<\/td><td>12\u300114\u300116<br>18\u300120\u300124<\/td><td rowspan=\"5\">Midiendo con:<br>Calibre vernier<br>Calibre de cuadrante<br>Calibre digital<\/td><td>Tama\u00f1o-TPI, Tipo<br>p. ej. 3\/4-16, UN<\/td><\/tr><tr><td>Roscas c\u00f3nicas American Standard<br>(NPT \/ NPTF)<\/td><td>C\u00f3nico<\/td><td>11-1\/2\u300114<br>18\u300127<\/td><td>Tama\u00f1o-TPI, Tipo<br>p. ej. 1\/4-18, NPT<\/td><\/tr><tr><td>Roscas paralelas est\u00e1ndar brit\u00e1nicas (BSPP=BSP=PF=G)<\/td><td>Recto<\/td><td>11\u300114<br>19\u300128<\/td><td>G Tama\u00f1o-TPI<br>por ejemplo, Sol 1\/8-28<\/td><\/tr><tr><td>Roscas c\u00f3nicas est\u00e1ndar brit\u00e1nicas (BSPT=PT=R=RC=ZG)<\/td><td>C\u00f3nico<\/td><td>11\u300114<br>19\u300128<\/td><td>R Tama\u00f1o-TPI<br>por ejemplo, R 1\/2-14<\/td><\/tr><tr><td>Roscas m\u00e9tricas ISO<br>M<\/td><td>Recto<\/td><td>1.0\u30011.5\u30012.0<\/td><td>M Tama\u00f1o x Paso<br>por ejemplo, M 14 x 1,5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Ahora que ha aprendido a seleccionar el tipo y el tama\u00f1o de rosca, \u00bfse pregunta c\u00f3mo instalar el instrumento? Haga clic en el siguiente enlace para conocer el proceso de instalaci\u00f3n y las precauciones correspondientes.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Las seis causas m\u00e1s comunes de aver\u00eda de los equipos a presi\u00f3n<\/li>\n\n\n\n<li>Puntos clave de seguridad para la instalaci\u00f3n de man\u00f3metros<\/li>\n<\/ul>\n\n\n\n<p><strong>Cr\u00e9dito y referencia:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ASME: Roscas para tubos, uso general, pulgadas<\/li>\n\n\n\n<li>ISO 68-1:1998(en) Roscas ISO de uso general - Perfil b\u00e1sico - Parte 1. Roscas m\u00e9tricas: Parte 1: Roscas m\u00e9tricas<\/li>\n\n\n\n<li>ISO\/DIS 6149-1(en) Conexiones para la alimentaci\u00f3n de fluidos hidr\u00e1ulicos y uso general - Puertos y extremos de esp\u00e1rragos con roscas m\u00e9tricas ISO 261 y sellado por junta t\u00f3rica - Parte 1: Puertos con alojamiento truncado para sellado por junta t\u00f3rica: Parte 1: Conexiones con alojamiento truncado para junta t\u00f3rica.<\/li>\n\n\n\n<li>ISO 262:1998 ISO roscas m\u00e9tricas de uso general - Tama\u00f1os seleccionados para tornillos, pernos y tuercas<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Are you feeling overwhelmed by terms like &#8220;thread,&#8221; &#8220;process connection,&#8221; &#8220;connector,&#8221; and &#8220;fitting&#8221;?Not to mention the various regional common standards and specifications to contend with. Interested in finding the best fit for your specific application requirements?Explore the four primary thread connection types SJ Gauge offers: NPT, PT, G and M.We will introduce each of these [&hellip;]<\/p>","protected":false},"author":2,"featured_media":2438,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[],"class_list":["post-2407","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.7 (Yoast SEO v26.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Introduction to Common Thread Standards for Industrial Instruments: Four Steps to Identify Thread Specifications! - Your Expert in Pressure Temp and Smart Transmitters - SJ Gauge<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sj-gauge.com\/es\/thread-standards-identification\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Introduction to Common Thread Standards for Industrial Instruments: Four Steps to Identify Thread Specifications!\" \/>\n<meta property=\"og:description\" content=\"Are you feeling overwhelmed by terms like &#8220;thread,&#8221; &#8220;process connection,&#8221; &#8220;connector,&#8221; and &#8220;fitting&#8221;?Not to mention the various regional common standards and specifications to contend with. 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