{"id":5481,"date":"2026-05-12T15:03:06","date_gmt":"2026-05-12T07:03:06","guid":{"rendered":"https:\/\/xzfastener.com\/?post_type=product&p=5481"},"modified":"2026-05-12T15:03:07","modified_gmt":"2026-05-12T07:03:07","slug":"stainless-steel-square-head-bolts-m4-m5-m6-m8-m10-m12-a2-70-metric-fully-threaded-square-head-screws","status":"publish","type":"product","link":"https:\/\/xzfastener.com\/es_mx\/products\/stainless-steel-square-head-bolts-m4-m5-m6-m8-m10-m12-a2-70-metric-fully-threaded-square-head-screws\/","title":{"rendered":"acero inoxidable Pernos de cabeza cuadrada M4 M5 M6 M8 M10 M12, A2-70 M\u00e9trico totalmente roscado Cabeza cuadrada tornillos"},"content":{"rendered":"

Descripci\u00f3n del producto<\/h1>\n

Stainless Steel Square Head Bolts<\/h2>\n

Nuestro Stainless Steel Square Head Bolts<\/strong> are durable metric fasteners designed for machinery, equipment assembly, industrial maintenance, construction, and custom fastening applications. Compared with standard hex head bolts, square head bolts provide a larger gripping surface and are commonly used where better wrench engagement, anti-rotation performance, or traditional fastening style is required.<\/p>\n

These bolts are made from stainless steel, commonly available in A2-70 \/ 304 stainless steel<\/strong>, offering good corrosion resistance, clean appearance, and reliable mechanical performance. The full threaded design provides strong engagement with matching nuts or threaded holes.<\/p>\n

Available in common metric sizes including M4, M5, M6, M8, M10, and M12<\/strong>, these square head bolts are suitable for both standard and customized fastening requirements.<\/p>\n

\n

Caracter\u00edsticas clave<\/h2>\n
    \n
  • Square head design<\/strong> for strong tool grip and stable tightening.<\/li>\n
  • Material acero inoxidable<\/strong> with good corrosion and rust resistance.<\/li>\n
  • A2-70 grade available<\/strong>, suitable for general industrial fastening.<\/li>\n
  • Cuerpo totalmente roscado<\/strong> for maximum thread engagement.<\/li>\n
  • Tama\u00f1os de rosca m\u00e9trica<\/strong> from M4 to M12.<\/li>\n
  • Good anti-rotation performance<\/strong> in slots, channels, and square recesses.<\/li>\n
  • Suitable for machinery, equipment, construction, furniture, and repair work.<\/strong><\/li>\n
  • Custom length and packaging available<\/strong> seg\u00fan los requisitos del cliente.<\/li>\n<\/ul>\n
    \n

    Especificaciones del producto<\/h2>\n
    \n
    \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    Art\u00edculo<\/th>\nDescripci\u00f3n<\/th>\n<\/tr>\n<\/thead>\n
    Nombre del producto<\/td>\nStainless Steel Square Head Bolt<\/td>\n<\/tr>\n
    Materiales<\/td>\nacero inoxidable<\/td>\n<\/tr>\n
    Grado com\u00fan<\/td>\nA2-70 \/ 304 Stainless Steel<\/td>\n<\/tr>\n
    Tipo de cabeza<\/td>\nSquare Head<\/td>\n<\/tr>\n
    Tipo de hilo<\/td>\nRosca m\u00e9trica<\/td>\n<\/tr>\n
    Enhebrado<\/td>\ntotalmente roscado<\/td>\n<\/tr>\n
    Tama\u00f1os disponibles<\/td>\nM4, M5, M6, M8, M10, M12<\/td>\n<\/tr>\n
    Acabado superficial<\/td>\nLiso acero inoxidable<\/td>\n<\/tr>\n
    Tipo de unidad<\/td>\nExternal Square Head<\/td>\n<\/tr>\n
    Solicitud<\/td>\nMachinery, equipment, construction, industrial fastening, repair<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    \n

    Tabla de tallas<\/h2>\n

    Unidad: mm<\/p>\n

    \n
    \n\n\n\n\n\n\n\n\n\n\n
    Tama\u00f1o del hilo<\/th>\nTono<\/th>\nGrosor de la cabeza K<\/th>\nSquare Head Width S<\/th>\n<\/tr>\n<\/thead>\n
    M4<\/td>\n0.7<\/td>\n2.7\u20133.24<\/td>\n6.64\u20137<\/td>\n<\/tr>\n
    M5<\/td>\n0.8<\/td>\n3,26\u20133,74<\/td>\n7.64\u20138<\/td>\n<\/tr>\n
    M6<\/td>\n1.0<\/td>\n3,76\u20134,24<\/td>\n9.64\u201310<\/td>\n<\/tr>\n
    M8<\/td>\n1.25<\/td>\n4.76\u20135.24<\/td>\n12,57-13<\/td>\n<\/tr>\n
    M10<\/td>\n1.5<\/td>\n5.76\u20136.24<\/td>\n15.57\u201317<\/td>\n<\/tr>\n
    M12<\/td>\n1.75<\/td>\n6.71\u20137.29<\/td>\n17.57\u201319<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    \n

    What Are Square Head Bolts?<\/h2>\n

    Square head bolts<\/strong> are bolts with a four-sided head instead of a hexagonal head. The square head provides a large contact area for tools and can also help prevent rotation when installed in a matching square slot or channel.<\/p>\n

    Se utilizan com\u00fanmente en:<\/p>\n

    \n
    \n\n\n\n\n\n\n\n\n\n\n
    Solicitud<\/th>\nFunci\u00f3n<\/th>\n<\/tr>\n<\/thead>\n
    Montaje de maquinaria<\/td>\nSecure fastening and positioning<\/td>\n<\/tr>\n
    Equipos industriales<\/td>\nDurable connection in maintenance work<\/td>\n<\/tr>\n
    Proyectos de construcci\u00f3n<\/td>\nStructural and bracket fastening<\/td>\n<\/tr>\n
    Wood and Metal Work<\/td>\nTraditional square head fastening<\/td>\n<\/tr>\n
    T-slot or Channel Systems<\/td>\nHelps reduce bolt rotation<\/td>\n<\/tr>\n
    Repair and Replacement<\/td>\nSuitable for non-standard or older equipment<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    \n

    Ventajas materiales<\/h2>\n

    Stainless steel square head bolts are suitable for applications where corrosion resistance and clean appearance are important.<\/p>\n

    \n
    \n\n\n\n\n\n\n\n
    Grado del material<\/th>\nCaracter\u00edstica<\/th>\nUso recomendado<\/th>\n<\/tr>\n<\/thead>\n
    A2 \/ 304 Stainless Steel<\/td>\nGood corrosion resistance and general strength<\/td>\nIndoor, outdoor, machinery, equipment, furniture<\/td>\n<\/tr>\n
    A4 \/ 316 Stainless Steel<\/td>\nMejor resistencia a la corrosi\u00f3n en ambientes hostiles<\/td>\nAmbientes marinos, costeros, qu\u00edmicos, h\u00famedos.<\/td>\n<\/tr>\n
    acero al carbono<\/td>\nOpciones de mayor resistencia, menor costo<\/td>\nDry indoor use or coated fasteners<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

    For most general-purpose applications, A2-70 \/ 304 stainless steel square head bolts<\/strong> provide a good balance of corrosion resistance, durability, and cost performance.<\/p>\n

    \n

    Aplicaciones comunes<\/h2>\n
    \n
    \n\n\n\n\n\n\n\n\n\n\n\n\n
    Industria<\/th>\nUso t\u00edpico<\/th>\n<\/tr>\n<\/thead>\n
    Fabricaci\u00f3n de maquinaria<\/td>\nEquipment assembly and fastening<\/td>\n<\/tr>\n
    Mantenimiento Industrial<\/td>\nReplacement bolts for machines and fixtures<\/td>\n<\/tr>\n
    Construcci\u00f3n<\/td>\nSteel structure, brackets, supports<\/td>\n<\/tr>\n
    Furniture Production<\/td>\nWood and metal furniture connections<\/td>\n<\/tr>\n
    Reparaci\u00f3n de autom\u00f3viles<\/td>\nCustom mounting and repair applications<\/td>\n<\/tr>\n
    Equipo agr\u00edcola<\/td>\nFijaci\u00f3n y mantenimiento generales.<\/td>\n<\/tr>\n
    Proyectos DIY<\/td>\nHome repair and custom fabrication<\/td>\n<\/tr>\n
    Marine & Outdoor Use<\/td>\nacero inoxidable fijaci\u00f3n resistente a la corrosi\u00f3n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    \n

    Ventajas del producto<\/h2>\n

    Estos Stainless Steel Square Head Bolts<\/strong> are designed for secure and durable fastening. The square head makes the bolt easy to grip with tools and can help prevent spinning during installation in suitable applications.<\/p>\n

    The stainless steel material provides good resistance to rust and corrosion, making these bolts suitable for indoor, outdoor, and general industrial environments. With full metric threading, they can be used with matching metric nuts, washers, or threaded holes.<\/p>\n

    \n

    Notas de instalaci\u00f3n<\/h2>\n

    Antes de realizar un pedido, confirme los siguientes detalles:<\/p>\n

    \n
    \n\n\n\n\n\n\n\n\n\n\n
    Informaci\u00f3n requerida<\/th>\nEjemplo<\/th>\n<\/tr>\n<\/thead>\n
    Tama\u00f1o<\/td>\nM4, M5, M6, M8, M10, M12<\/td>\n<\/tr>\n
    Longitud<\/td>\n10mm, 20mm, 30mm, 50mm, customized<\/td>\n<\/tr>\n
    Materiales<\/td>\nA2 \/ 304 stainless steel, A4 \/ 316 stainless steel<\/td>\n<\/tr>\n
    Tipo de hilo<\/td>\nHilo completo o rosca parcial<\/td>\n<\/tr>\n
    Cantidad<\/td>\nPaquete peque\u00f1o o pedido al por mayor<\/td>\n<\/tr>\n
    Accesorios a juego<\/td>\nTuercas, arandelas planas, arandelas el\u00e1sticas<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

    Please use matching metric nuts and washers<\/strong> for correct assembly. If the bolt will be used in marine or chemical environments, 316 acero inoxidable<\/strong> Se recomienda.<\/p>\n

    \n

    Productos a juego<\/h2>\n
    \n
    \n\n\n\n\n\n\n\n\n\n
    Producto a juego<\/th>\nFunci\u00f3n<\/th>\n<\/tr>\n<\/thead>\n
    Stainless Steel Square Nuts<\/td>\nTraditional matching fastening<\/td>\n<\/tr>\n
    acero inoxidable Tuercas hexagonales<\/td>\nGeneral fastening connection<\/td>\n<\/tr>\n
    Flat Washers<\/td>\nDistribuci\u00f3n de carga y protecci\u00f3n de superficies.<\/td>\n<\/tr>\n
    Spring Washers<\/td>\nSoporte antiaflojamiento<\/td>\n<\/tr>\n
    Sujetadores personalizados<\/td>\nFor special machinery or drawing-based production<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    \n

    Preguntas frecuentes<\/h2>\n

    Q1: What is a square head bolt?<\/h3>\n

    A square head bolt is a bolt with a four-sided square head. It provides strong tool grip and can help prevent rotation when used in square slots or special fixtures.<\/p>\n

    P2: \u00bfDe qu\u00e9 material est\u00e1n hechos estos pernos?<\/h3>\n

    They are made from stainless steel. Common material options include A2-70 \/ 304 stainless steel<\/strong> y A4 \/ 316 acero inoxidable<\/strong>.<\/p>\n

    Q3: What does A2-70 mean?<\/h3>\n

    A2<\/strong> usually refers to 304 stainless steel, and 70<\/strong> refers to the strength class. A2-70 stainless steel fasteners are widely used for general corrosion-resistant applications.<\/p>\n

    Q4: What sizes are available?<\/h3>\n

    Los tama\u00f1os comunes incluyen M4, M5, M6, M8, M10, and M12<\/strong>. Se pueden personalizar otros tama\u00f1os seg\u00fan dibujos o muestras.<\/p>\n

    Q5: Are these bolts fully threaded?<\/h3>\n

    Yes, the product shown is a fully threaded square head bolt<\/strong>. Partial thread versions can also be customized if required.<\/p>\n

    P6: \u00bfSe pueden utilizar estos pernos en exteriores?<\/h3>\n

    Yes. Stainless steel square head bolts can be used outdoors. For normal outdoor use, 304 stainless steel is suitable. For marine or highly corrosive environments, 316 stainless steel is recommended.<\/p>\n

    Q7: What tools are used to install square head bolts?<\/h3>\n

    They can be installed with an adjustable wrench, open-end wrench, spanner, or custom fixture that fits the square head.<\/p>\n

    Q8: Can you supply matching nuts and washers?<\/h3>\n

    Yes. Matching stainless steel nuts, flat washers, spring washers, and custom fastener sets can be supplied.<\/p>\n

    P9: \u00bfSe puede personalizar la longitud?<\/h3>\n

    Yes. Length, material, thread type, surface finish, and packaging can be customized according to customer requirements.<\/p>\n

    Q10: What are square head bolts mainly used for?<\/h3>\n

    They are commonly used in machinery, construction, industrial equipment, furniture assembly, agricultural machinery, repair work, and custom fastening projects.<\/p>\n

    \n

    Resumen breve del producto<\/h2>\n

    Stainless Steel Square Head Bolts M4 M5 M6 M8 M10 M12<\/strong> are corrosion-resistant metric fasteners with a four-sided square head and fully threaded body. Made from stainless steel, commonly A2-70 \/ 304 stainless steel<\/strong>, they are suitable for machinery, construction, industrial equipment, furniture, repair work, and custom fastening applications. Matching nuts, washers, customized sizes, and bulk packaging are available.<\/p>","protected":false},"excerpt":{"rendered":"

    Product Description Stainless Steel Square Head Bolts Our Stainless Steel Square Head Bolts are durable metric fasteners designed for machinery, equipment assembly, industrial maintenance, construction, and custom fastening applications. Compared with standard hex head bolts, square head bolts provide a larger gripping surface and are commonly used where better wrench engagement, anti-rotation performance, or traditional […]<\/p>\n","protected":false},"featured_media":5482,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"fastener-coating":[37,95,94],"fastener-material":[43],"fastener-type":[53,476],"product_brand":[],"product_cat":[22,28],"product_tag":[],"class_list":{"0":"post-5481","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"fastener-coating-original-material","7":"fastener-coating-natural-finish","8":"fastener-coating-original-material-natural-finish","9":"fastener-material-stainless-steel","10":"fastener-type-bolts","11":"fastener-type-square-head","12":"product_cat-standard-fasteners","13":"product_cat-custom-non-standard-fasteners","15":"first","16":"instock","17":"shipping-taxable","18":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/es_mx\/wp-json\/wp\/v2\/product\/5481","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xzfastener.com\/es_mx\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/xzfastener.com\/es_mx\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/es_mx\/wp-json\/wp\/v2\/comments?post=5481"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/es_mx\/wp-json\/wp\/v2\/product\/5481\/revisions"}],"predecessor-version":[{"id":5487,"href":"https:\/\/xzfastener.com\/es_mx\/wp-json\/wp\/v2\/product\/5481\/revisions\/5487"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/es_mx\/wp-json\/wp\/v2\/media\/5482"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/es_mx\/wp-json\/wp\/v2\/media?parent=5481"}],"wp:term":[{"taxonomy":"fastener-coating","embeddable":true,"href":"https:\/\/xzfastener.com\/es_mx\/wp-json\/wp\/v2\/fastener-coating?post=5481"},{"taxonomy":"fastener-material","embeddable":true,"href":"https:\/\/xzfastener.com\/es_mx\/wp-json\/wp\/v2\/fastener-material?post=5481"},{"taxonomy":"fastener-type","embeddable":true,"href":"https:\/\/xzfastener.com\/es_mx\/wp-json\/wp\/v2\/fastener-type?post=5481"},{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/xzfastener.com\/es_mx\/wp-json\/wp\/v2\/product_brand?post=5481"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/xzfastener.com\/es_mx\/wp-json\/wp\/v2\/product_cat?post=5481"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/es_mx\/wp-json\/wp\/v2\/product_tag?post=5481"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}