China Tc Steel Structural ​Bolt Manufacturer, Supplier, Factory

DIN436 Flat Washers Square Washer fit into slots and channels and have flat sides to keep them from rotating. DIN436 Flat Washers Square Washer are wider and thicker than most round washers, making them good for distributing heavy loads. Zinc-plated DIN436 Flat Washers Square Washer are corrosion resistant in wet environments.

ASTM A325M Hot DIP Galvanized Heavy Hex Bolts are commonly used in critical structural applications such as Bridges, buildings and other infrastructure. Ensuring their quality is critical to the safety and structural integrity of these works. The control and traceability of the A325M heavy duty hex bolt or any fastener is a key aspect of the construction and engineering industry. Safety and structural integrity are the correct applications that distinguish ASTM A325M Hot DIP Galvanized Heavy Hex Bolts. Batch control and traceability help maintain the highest safety standards. Batch control ensures that the bolts used in the project come from the same production batch. This helps maintain consistent quality and ensures that all bolts from a particular batch meet the same specifications and standards. In the rare cases where defects or problems are found in a particular batch of bolts, being able to trace back to the source of those bolts can facilitate an effective recall and replacement. This minimizes downtime and project delays.

ASTM A325 Heavy Hex Bolt are designed for steel-to-steel structural connections. Consequently, they are typically very short. The A325 and A490 specifications are not intended for general applications, including anchor bolts. In these applications, substitutions of A449 for A325 and A354 grade BD for A490 should be considered.

​ASME B182.2.1 Square Head Bolt are similar to Hex Cap screws but have a 4-sided square head instead of a 6-sided hexagonal head. ... They are commonly referred to as both bolts and screws and are designed to be driven with a wrench. ​ASME B182.2.1 Square Head Bolt are partially threaded with a shoulder beneath the head.

​DIN21346 Square Bolt are similar to Hex Cap screws but have a 4-sided square head instead of a 6-sided hexagonal head.They are commonly referred to as both bolts and screws and are designed to be driven with a wrench. DIN21346 Square Bolt are partially threaded with a shoulder beneath the head.

DIN931 Heavy Hexagonal Bolt Hex Bolt are designed to endure harsh conditions and bear heavy loads, providing you with a superior level of reliability that you can count on. Made from high-grade carbon steel, our hex bolts are designed to be tough and durable. The DIN931 Heavy Hexagonal Bolt Hex Bolt ensures that the bolts can handle high pressures and stresses, while the hexagonal head of the bolts provides excellent grip and allows for easy installation with a wrench or socket.