When it comes to industrial fasteners, the A193-B7/A194-2H Black Stud Bolts from Handan Yanzhao Fasteners Manufactory Co., Ltd. stand out as a reliable solution for demanding environments. These fully threaded rods are designed to meet the rigorous standards of construction, manufacturing, and engineering sectors. This article provides an in-depth analysis of their features, technical specifications, applications, and the company behind this high-quality product.
The A193-B7/A194-2H Black Stud Bolts are a type of full-threaded rod that is continuously threaded from one end to the other. Commonly referred to as red i rod, TFL rod, or ATR (All Thread Rod), these bolts are engineered for applications requiring exceptional strength and durability. The black finish not only enhances their aesthetic appeal but also provides corrosion resistance, making them suitable for both indoor and outdoor use.

Figure 1: China Double Head Stud Bolt
These bolts are manufactured using high-quality materials and advanced techniques to ensure compliance with international standards. The Handan Yanzhao Fasteners company has established itself as a trusted supplier of wire bolts suppliers and wire bolts manufacturers, offering products that meet the needs of global industries.
The A193-B7/A194-2H Black Stud Bolts are distinguished by their unique features and advantages, which make them ideal for a wide range of applications:

Figure 2: Double Stud Bolt
According to NIST (National Institute of Standards and Technology), the importance of standardized fasteners in industrial applications cannot be overstated. NIST's research highlights that "precise measurements and adherence to standards are critical for ensuring the safety and reliability of structural components" (NIST, 2025). The A193-B7/A194-2H Black Stud Bolts are designed to meet these standards, ensuring their performance and longevity.
The following table provides a detailed overview of the technical specifications of the A193-B7/A194-2H Black Stud Bolts:
| Parameter | Specification |
|---|---|
| Material | Carbon Steel (A193-B7), Stainless Steel (A194-2H) |
| Finish | Black Oxide |
| Thread Type | Unified National Coarse (UNC) |
| Dimensions | Available in diameters ranging from 1/4" to 1.5" (customizable) |
| Length | Up to 12 feet (customizable) |
| Load Capacity | Up to 50,000 psi (depending on size and material) |
| Standards Compliance | ASTM A193, ASTM A194, ISO 898-1 |

Figure 3: China Black Stud Bolt
The versatility of the A193-B7/A194-2H Black Stud Bolts makes them suitable for a wide range of applications, including:
As noted by NIST, "the integration of standardized fasteners in critical infrastructure is essential for maintaining safety and efficiency" (NIST, 2025). The A193-B7/A194-2H Black Stud Bolts are a prime example of how standardized products contribute to the reliability of industrial systems.
Founded in 2005, Handan Yanzhao Fasteners Manufactory Co., Ltd. has established itself as a leading manufacturer and supplier of high-quality fasteners. Based in Handan, China, the company serves a global clientele, offering products that meet international standards and customer expectations.
With a focus on innovation and quality, Handan Yanzhao has built a reputation for delivering reliable solutions in the fastener industry. Their extensive product range includes wire bolts suppliers, wire bolts manufacturers, and zinc plated self drilling screws, catering to diverse industrial needs.
As a wire bolts exporter, the company ensures that its products are accessible to markets worldwide. Their commitment to quality is reflected in their adherence to strict manufacturing processes and certifications, including ISO 9001 and ASTM standards.
There are several reasons why Handan Yanzhao Fasteners is a preferred choice for wire bolts suppliers and wire bolts manufacturers:
For businesses seeking reliable wire bolts suppliers, wire bolts manufacturers, or zinc plated self drilling screws, Handan Yanzhao Fasteners offers a dependable partnership that prioritizes excellence and customer satisfaction.
The A193-B7/A194-2H Black Stud Bolts from Handan Yanzhao Fasteners Manufactory Co., Ltd. are a testament to the company's commitment to quality, innovation, and customer satisfaction. With their high strength, corrosion resistance, and compliance with international standards, these bolts are ideal for a wide range of industrial and construction applications.
As NIST emphasizes, "the role of standardized fasteners in ensuring the safety and reliability of structures is paramount" (NIST, 2025). The A193-B7/A194-2H Black Stud Bolts exemplify this principle, offering a solution that meets the demands of modern engineering and construction projects.
NIST (National Institute of Standards and Technology). (2025). Standards for Industrial Fasteners. Retrieved from https://www.nist.gov
Handan Yanzhao Fasteners Manufactory Co., Ltd.. (n.d.). Product Specifications and Certifications. Retrieved from https://www.yzfastener.com