1/2″-13 Conquest A563 Grade DH Heavy Hex Nut Plain

The 1/2″-13 Conquest A563 Grade DH Heavy Hex Nut is a high-strength structural fastener designed for use in demanding industrial, commercial, and structural applications. Made from quenched and tempered medium carbon steel with a plain finish, this nut delivers excellent mechanical performance and is engineered to pair with structural bolts and high-strength threaded rod systems.

Plain Finish Structural Hex Nut for A325 and A490 Connections

With a 1/2″ diameter and 13 TPI coarse thread, this heavy hex nut is manufactured to ASTM A563 Grade DH standards, making it suitable for critical fastening in steel structures, heavy equipment, and infrastructure installations. The plain finish allows for controlled welding environments or use in protected interior settings where additional coatings aren’t necessary.

Key Features

• Material: Quenched and tempered medium carbon steel for structural-grade strength.
• Thread Type/TPI: Coarse thread with 13 threads per inch for secure engagement and load handling.
• Heavy Hex Design: Oversized across-flats and height to maximize bearing surface and torque application.
• Finish: Plain finish suitable for welding or indoor, non-corrosive environments.
• Standard Compliance: Meets ASTM A563 Grade DH mechanical and dimensional requirements.

Applications

• Steel construction with A325 or A490 structural bolts
• High-strength anchor bolt systems
• Structural steel connections and framing
• Heavy equipment fabrication and assemblies
• Bridge and infrastructure bolting

Installation Tips

• Use with 1/2″-13 A325 or A490 bolts, or high-strength threaded rod such as B7 or A307 Grade B.
• Apply high-torque using appropriate heavy hex sockets or wrenches.
• Ensure clean, dry threads before tightening, especially in welded applications.

Related Items:

• A325 Structural Hex Bolts
• A307 Threaded Rod
• Grade B7 Threaded Rod

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