Grade 12.9 Galvanized Hex Socket Button Head Screws

The core value of the Grade 12.9 Galvanized Hex Socket Button Head Screws lies in its classic rounded head design. The cylindrical head provides a large bearing surface and hexagonal drive groove, ensuring high torque transmission capacity and convenient and reliable installation, making it particularly suitable for working conditions with limited space. Although the convex head design is slightly higher than the mounting surface, its compact head height and standardized dimensions make it excellent in applications that require strong connections and easy disassembly and maintenance. Combined with the dual protection of Grade 12.9 Galvanized Hex Socket Button Head Screws have become a strong guarantee for the connection of machinery, equipment and structures that withstand heavy loads, impact and vibration, and need to resist environmental corrosion.

Parameter (Specification)

Feature And Application

• Various thread sizes available, including from M3 to M10

• Manufactured from Galvanized Finish

• Used in applications where a wider head and lower profile is required

• Standard 12.9 grade high-strength alloy steel

Galvanized Hex Socket Button Head Screws with their high strength, easy installation, and reliable corrosion protection of their zinc coating, play a key role in industrial equipment, heavy machinery, steel structure connections, and equipment exposed to humid or mild chemical environments. Typical applications include:

* Industrial machinery and automation equipment: Used for critical connections subject to high loads and vibration, the zinc coating protects against corrosion from moisture and oil in the workshop environment.

* Transportation vehicles and construction machinery: Provide strong connections in chassis, engine mounts, and other areas while withstanding road salt spray and rain.

* Infrastructure and steel structures: Suitable for connections requiring high strength and regular maintenance and inspection, the zinc coating extends service life.

* Agricultural and outdoor equipment: Provides a balance of strength and corrosion resistance in applications requiring reliable fastening and exposure to the elements.

Galvanized Hex Socket Button Head Screws strike an excellent balance between high strength requirements, easy installation and maintenance, and moderate corrosion protection, making it an indispensable high-performance fastener in the industrial and engineering sectors.

Details

The electro galvanizing process used for Galvanized Hex Socket Button Head Screws is to precisely control the deposition of the zinc layer through electric current at low temperature to ensure uniform coating and smooth surface. It has minimal effect on the mechanical properties of the 12.9 grade high-strength substrate, effectively avoiding the risk of hydrogen embrittlement. It does not change the size of the workpiece and is particularly suitable for precision assembly and subsequent painting needs. Compared with hot-dip galvanizing, electro galvanizing has a more delicate appearance, more precise dimensional control, and is more suitable for industrial-grade standard parts. Grade 12.9 represents an ultra-high strength grade, and its ultimate tensile strength and yield strength far exceed those of ordinary carbon steel or stainless-steel screws. At the same time, it gives the screws excellent tensile, shear and fatigue resistance, and is particularly suitable for harsh working conditions with heavy loads, impact loads or continuous vibrations. It has significant advantages in applications that require high preload to ensure connection reliability.

The electroplated zinc layer provides an effective physical barrier and cathodic protection for the high-strength base material, significantly improving the long-term durability of the screws in harsh environments, reducing maintenance and replacement costs, and achieving greater cost-effectiveness. The ISO7380 standardized raised head design and hexagonal drive ensure the versatility and ease of use of installation tools. Galvanized Hex Socket Button Head Screws are a powerful guarantee for connections in machinery, equipment, and structures that withstand heavy loads, shock, vibration, and environmental corrosion.