In the realm of industrial fasteners, A193-B7/A194-2H black stud bolts stand out as critical components for demanding engineering applications. Manufactured by Handan Yanzhao Fasteners Manufactory Co., Ltd., these bolts combine durability, precision, and corrosion resistance to meet the rigorous standards of modern construction and manufacturing. This article explores their technical specifications, advantages, and real-world applications, while also highlighting the company's commitment to quality and innovation.
The A193-B7/A194-2H black stud bolts are fully threaded fasteners designed for high-strength applications. These bolts are characterized by their continuous threading along the entire length, making them ideal for scenarios requiring adjustable and secure connections. The black finish, achieved through specialized coating processes, enhances their resistance to environmental factors such as oxidation and wear.

Figure 1: China stud bolt - a standard representation of the product's design.
| Parameter | Details |
|---|---|
| Material | Carbon steel (A193-B7) or stainless steel (A194-2H) |
| Thread Type | Unified National Coarse (UNC) or Fine (UNF) |
| Finish | Black oxide coating for enhanced corrosion resistance |
| Dimensions | Available in diameters ranging from 1/4" to 1 1/2" |
| Tensile Strength | Up to 120,000 psi (depending on grade) |
| Application | Structural connections, machinery assembly, and heavy-duty equipment |
The A193-B7/A194-2H black stud bolts offer several advantages that make them a preferred choice in industrial settings:
These black stud bolts are widely used in the following sectors:

Figure 2: China double head stud bolt - showcasing the product's dual-threaded design for enhanced stability.
Based in Handan, Hebei Province, Handan Yanzhao Fasteners Manufactory Co., Ltd. is a leading manufacturer of high-quality fasteners, including wire bolts and zinc-plated self-drilling screws. With over two decades of experience, the company has established itself as a trusted supplier to global industries. Their state-of-the-art facilities and rigorous quality control processes ensure that every product meets international standards.

Figure 3: China black stud bolt - highlighting the product's durability and finish.
Handan Yanzhao Fasteners adheres to stringent quality assurance protocols, aligning with NIST standards for precision and reliability. Their products undergo comprehensive testing, including tensile strength analysis and corrosion resistance evaluation, to ensure they meet the demands of modern engineering.
The A193-B7/A194-2H black stud bolts from Handan Yanzhao Fasteners Manufactory Co., Ltd. represent a blend of advanced engineering and practical application. With their robust design, versatile use cases, and adherence to global standards, these fasteners are indispensable in industries where safety and performance are non-negotiable. For more information, visit the company's official website or explore their wire bolts manufacturers portfolio.
National Institute of Standards and Technology (NIST). (n.d.). Retrieved from https://www.nist.gov/
NIST Standards and Measurements. (n.d.). Retrieved from https://www.nist.gov/standards-and-measurements