Our GB/T 8 square head bolts are manufactured to the highest standards, ensuring exceptional quality and performance. Available in multiple sizes, these bolts are ideal for a variety of applications, offering reliability and durability in demanding environments. We provide free samples to help you assess their quality before making a purchase.
Standard Compliance: Manufactured according to GB/T 8 specifications, ensuring consistency and reliability.
Material Quality: Made from high-strength steel, providing excellent tensile strength and resistance to wear.
Square Head Design: The square head allows for easy installation and secure fastening, suitable for use with wrenches or sockets.
Versatile Size: Available in a range of sizes to accommodate different project requirements, ensuring flexibility in application.
Construction: Ideal for securing structural components in building projects.
Machinery: Used in the assembly and maintenance of industrial machiner

DIN 931 hex bolts are essential fasteners widely used in various industries due to their strength and reliability. Manufactured according to the DIN 931 standard, these hex bolts are available in different grades, including 4.8, 8.8, 10.9, and 12.9, providing options for various load-bearing applications.
Head Type: Hexagonal head for easy installation with a wrench.
Thread Type: Fully threaded or partially threaded options available.
Diameter Range: Various sizes to meet specific application requirements.
Finish: Available in plain, zinc-plated, or other finishes for enhanced protection.