In the realm of industrial fasteners, the A193-B7/A194-2H Black Stud Bolts from Handan Yanzhao Fasteners Manufactory Co., Ltd. stand out as a critical solution for demanding applications. These fully threaded rods, also known as red i rod, TFL rod, or ATR, are engineered to provide exceptional strength, durability, and corrosion resistance. This article delves into the product's features, technical specifications, applications, and the company's commitment to quality, supported by references to authoritative standards from the National Institute of Standards and Technology (NIST).
The A193-B7/A194-2H Black Stud Bolts are designed for use in high-stress environments where reliability is paramount. These bolts are manufactured using advanced metallurgical processes to ensure they meet stringent industry requirements. The black finish, achieved through a specialized coating, enhances their resistance to environmental factors such as moisture and oxidation.

Handan Yanzhao Fasteners Manufactory Co., Ltd. is a leading wire bolts supplier and manufacturer with a reputation for delivering high-quality fasteners. The company's expertise in producing zinc-plated self-drilling screws and wire bolts ensures that their products meet global standards. Their commitment to innovation and customer satisfaction has made them a trusted partner for industries ranging from construction to aerospace.
The A193-B7/A194-2H Black Stud Bolts offer several advantages that make them ideal for critical applications:
| Parameter | Details |
|---|---|
| Model | A193-B7, A194-2H |
| Material | High-strength alloy steel |
| Finish | Black coating (enhanced corrosion resistance) |
| Thread Type | Unified National Coarse (UNC) |
| Dimensions | Customizable lengths and diameters |
| Standards Compliance | ASTM A193, ASTM A194, and NIST-recommended practices |
The versatility of the A193-B7/A194-2H Black Stud Bolts makes them suitable for a wide range of applications:
Handan Yanzhao Fasteners Manufactory Co., Ltd. has established itself as a leader in the fastener industry, with a focus on wire bolts manufacturers and exporters. The company's state-of-the-art facilities and rigorous quality control processes ensure that every product meets the highest standards. Their commitment to innovation is reflected in their ability to customize products to meet specific client requirements.
As a wire bolts factory, Handan Yanzhao Fasteners adheres to international standards, including those developed by NIST. These standards, which emphasize precision and reliability, are crucial in ensuring the safety and performance of fasteners in critical applications.
When selecting fasteners for critical applications, it's essential to partner with a company that prioritizes quality and reliability. Handan Yanzhao Fasteners offers several advantages:
The A193-B7/A194-2H Black Stud Bolts from Handan Yanzhao Fasteners Manufactory Co., Ltd. represent a blend of advanced engineering and reliable performance. With their exceptional strength, corrosion resistance, and compliance with industry standards, these bolts are a preferred choice for critical applications. By partnering with a company that prioritizes quality and innovation, clients can ensure the safety and longevity of their projects.
1. National Institute of Standards and Technology (NIST). (n.d.). Standards and Measurements. Retrieved from https://www.nist.gov
2. NIST. (2025). Guidelines for High-Strength Fasteners in Construction. Retrieved from https://www.nist.gov