5/8″-11 Conquest A563 Grade DH Heavy Hex Nut Plain

The 5/8″-11 Conquest A563 Grade DH Heavy Hex Nut is a high-strength carbon steel fastener designed for demanding structural applications. Quenched, tempered, and manufactured to ASTM A563 DH specifications, this nut delivers superior strength and performance when paired with structural bolts like A325 or A490.

Plain Structural Hex Nut for High-Strength Assemblies

With 11 threads per inch and a 5/8″ diameter, this coarse-thread nut is ideal for use with anchor bolts, heavy-duty threaded rod, and structural steel connections. Its plain finish supports weld prep or indoor environments where corrosion resistance isn’t a factor.

Key Features

• Material: Medium carbon steel, quenched and tempered for strength.
• Thread Type/TPI: Coarse 11 TPI thread for secure engagement.
• Heavy Hex Design: Increased bearing surface for better load distribution.
• Finish: Plain for use in protected or weldable environments.
• Standard Compliance: Conforms to ASTM A563 Grade DH.

Applications

• Structural steel joints and frames
• Anchor bolt and base plate fastening
• Steel fabrication and infrastructure builds
• Bridge and highway projects
• Machinery assembly requiring high strength

Installation Tips

• Use with 5/8″-11 A325 or A490 bolts or structural rod.
• Apply consistent torque with heavy hex sockets.
• Inspect threads before installation for optimal fit.

Related Items:

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

California Residents: WARNING