{"id":6558,"date":"2025-02-06T15:04:22","date_gmt":"2025-02-06T07:04:22","guid":{"rendered":"https:\/\/xzfastener.com\/?p=6558"},"modified":"2026-06-17T15:05:28","modified_gmt":"2026-06-17T07:05:28","slug":"bolt-types-explained-hex-bolts-flange-bolts-carriage-bolts-and-more","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/de\/bolt-types-explained-hex-bolts-flange-bolts-carriage-bolts-and-more\/","title":{"rendered":"Erkl\u00e4rte Schraubentypen: Sechskantbolzen, Flanschschrauben, Schlossschrauben und mehr"},"content":{"rendered":"

Choosing the right bolt type is not only a matter of diameter and length. In real procurement, the head style, thread length, grade, coating, installation method, and working environment all affect performance.<\/p>\n\n\n\n

Many buyers ask for \u201cM12 bolts\u201d or \u201chex bolts\u201d without explaining the application. That may be fine for general stock, but not for machinery, steel structures, outdoor equipment, or custom assemblies.<\/p>\n\n\n\n

A bolt should be selected by how it will be installed and what load it must hold.<\/p>\n\n\n\n

Common Bolt Types and Where They Are Used<\/h2>\n\n\n\n

Different bolt types solve different assembly problems. The table below gives a practical overview for B2B buyers.<\/p>\n\n\n\n

Bolzentyp<\/th>Gemeinsame Anwendung<\/th>Schl\u00fcsselauswahlpunkt<\/th><\/tr><\/thead>
Sechskantbolzen<\/td>Machinery, construction, general assembly<\/td>Easy wrench access and broad availability<\/td><\/tr>
Flanschschraube<\/td>Frames, brackets, equipment assembly<\/td>Built-in bearing surface under the head<\/td><\/tr>
Schlossschraube<\/td>Timber, light structures, panels<\/td>Square neck prevents rotation<\/td><\/tr>
Schwer Sechskantbolzen<\/td>Steel structures and heavy-duty joints<\/td>Larger head for high-load applications<\/td><\/tr>
Socket head bolt<\/td>Machinery and compact assemblies<\/td>Useful where space is limited<\/td><\/tr>
Eye bolt<\/td>Lifting, rigging, support points<\/td>Load direction must be controlled<\/td><\/tr>
T-bolt<\/td>Machine slots and aluminum profiles<\/td>Head dimensions must match the slot<\/td><\/tr>
Ankerbolzen<\/td>Concrete foundations and steel columns<\/td>Embedment and projection are critical<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

F\u00fcr die allgemeine Beschaffung k\u00f6nnen K\u00e4ufer die verf\u00fcgbare Bewertung abgeben Bolzenprodukte<\/a> und das volle Sortiment an Verbindungselementen<\/a>.<\/p>\n\n\n\n

How to Choose the Right Bolt Type<\/h2>\n\n\n\n

Start with the Assembly Condition<\/h3>\n\n\n\n

Before choosing a bolt, confirm:<\/p>\n\n\n\n

    \n
  1. Ist das Gelenk abnehmbar oder dauerhaft?<\/li>\n\n\n\n
  2. Is the load tensile, shear, static, or dynamic?<\/li>\n\n\n\n
  3. Is the assembly exposed to vibration?<\/li>\n\n\n\n
  4. Is wrench or socket access limited?<\/li>\n\n\n\n
  5. Is corrosion protection required?<\/li>\n\n\n\n
  6. Are nuts and washers included in the design?<\/li>\n<\/ol>\n\n\n\n

    A flange bolt may save washer space. A socket head bolt may solve clearance problems. A carriage bolt may prevent rotation during installation. A hex bolt may be the most economical choice for general use.<\/p>\n\n\n\n

    Standards, Grades and Materials Matter<\/h2>\n\n\n\n

    Bolt type alone does not define performance. Buyers also need standard, grade, material, and finish.<\/p>\n\n\n\n

    Common standards include DIN, ISO, ASTM, ANSI, ASME, and EN. Strength grades may include class 4.8, 8.8, 10.9, 12.9, A2-70, A4-80, ASTM A193 B7, or ASTM structural grades depending on the project.<\/p>\n\n\n\n

    Lesen Sie bei lastkritischen Anwendungen nach hochfeste Verbindungselemente<\/a> bevor Sie die endg\u00fcltige Spezifikation best\u00e4tigen.<\/p>\n\n\n\n

    H\u00e4ufige Kauffehler<\/h2>\n\n\n\n

    Vermeiden Sie diese Probleme:<\/p>\n\n\n\n