7/8″-9 Conquest A563 Grade DH Heavy Hex Nut Plain

The 7/8″-9 Conquest A563 Grade DH Heavy Hex Nut is a high-strength carbon steel nut built for structural steel and critical infrastructure applications. Quenched and tempered to meet ASTM A563 Grade DH standards, this fastener is engineered to perform in demanding environments where strength is non-negotiable.

Structural Hex Nut for Steel Frames and Anchor Systems

Its 9 TPI coarse threads and heavy hex dimensions ensure secure load-bearing when paired with A325 or A490 structural bolts or high-strength threaded rod. The plain finish is ideal for weld-prep or dry interior projects.

Key Features

• Material: Quenched and tempered carbon steel.
• Thread Type/TPI: Coarse 9 TPI thread for strong engagement.
• Heavy Hex Design: Extra surface area improves torque and strength distribution.
• Finish: Plain for welding and indoor structural work.
• Standard Compliance: ASTM A563 Grade DH compliant.

Applications

• Structural connections in steel construction
• Anchor bolt systems for concrete bases
• Bridge assemblies and highway infrastructure
• Heavy-duty framing and supports
• Industrial or utility infrastructure builds

Installation Tips

• Pair with 7/8″-9 A325/A490 bolts or Grade B7 rod.
• Use heavy-duty sockets for high-torque fastening.
• Inspect threads before installation.

Related Items:

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

California Residents: WARNING