A193-B7/A194-2H Black Stud Bolts represent a pinnacle of engineering precision in the fastener industry. Manufactured by Handan Yanzhao Fasteners Manufactory Co., Ltd., these bolts combine robust material properties with advanced design to meet the demands of critical industrial applications. This article explores the technical specifications, advantages, and real-world applications of these high-performance fasteners, while highlighting the company's commitment to quality and innovation.
Double Head Stud Bolts are specialized fasteners designed for applications requiring exceptional load-bearing capacity and corrosion resistance. The A193-B7/A194-2H variant is specifically engineered for high-temperature and high-pressure environments, making it a preferred choice in industries such as oil and gas, power generation, and heavy machinery. The black finish, achieved through advanced coating technologies, enhances durability and reduces the risk of oxidation, ensuring long-term performance in harsh conditions.
| Parameter | Details |
|---|---|
| Material | Alloy Steel (ASTM A193 B7) |
| Finish | Zinc Plated (Black) |
| Thread Type | Unified Coarse (UNC) |
| Head Type | Double Head (A194-2H) |
| Length Range | 1/4" to 2" (Customizable) |
| Application | High-Temperature Piping, Pressure Vessels, Structural Connections |
Established in Handan Yanzhao Fasteners Manufactory Co., Ltd., this leading manufacturer has built a reputation for delivering high-quality fasteners since its inception. With over 20 years of expertise, the company specializes in wire bolts suppliers, zinc plated self drilling screws manufacturers, and other industrial fastening solutions. Their state-of-the-art production facilities and rigorous quality control processes ensure that every product meets international standards.
Handan Yanzhao Fasteners is committed to innovation, continuously investing in research and development to stay ahead of industry trends. The company's product portfolio includes wire bolts exporters, wire bolts factory, and wire bolts manufacturers, catering to a global clientele. Their dedication to excellence has earned them certifications such as ISO 9001 and ASME, underscoring their commitment to quality and reliability.
The A193-B7/A194-2H Black Stud Bolts are ideal for applications where wire bolts suppliers and wire bolts manufacturers are critical to structural integrity. Key use cases include:
Handan Yanzhao Fasteners ensures that these bolts are tailored to meet the unique demands of each industry, with custom solutions available upon request.
Compared to conventional fasteners, the A193-B7/A194-2H variant offers several distinct advantages:
The A193-B7/A194-2H Black Stud Bolts comply with NIST-recognized standards for material performance and dimensional accuracy. According to NIST guidelines, fasteners used in critical applications must meet specific criteria for tensile strength, hardness, and corrosion resistance. The Handan Yanzhao Fasteners ensures that all products adhere to these standards, as verified by third-party testing and certification.
NIST emphasizes the importance of standardized fasteners in maintaining safety and reliability across industries. The A193-B7/A194-2H bolts are designed to withstand extreme conditions, as outlined in NIST's material testing protocols.



The A193-B7/A194-2H Black Stud Bolts by Handan Yanzhao Fasteners Manufactory Co., Ltd. exemplify the synergy between advanced engineering and industrial excellence. With their robust design, compliance with NIST standards, and versatility in applications, these fasteners are a reliable choice for demanding environments. For businesses seeking wire bolts suppliers and zinc plated self drilling screws manufacturers, Handan Yanzhao Fasteners stands as a trusted partner in delivering precision and performance.
NIST (National Institute of Standards and Technology) – Material Standards and Testing Protocols.
Handan Yanzhao Fasteners Manufactory Co., Ltd. – Product Specifications and Industry Certifications.