1-1/8″-7 Conquest A563 Grade DH Heavy Hex Nut Plain

The 1-1/8″-7 Conquest A563 Grade DH Heavy Hex Nut is a high-strength structural fastener engineered for demanding bolted connections. Made from quenched and tempered carbon steel, this plain-finish nut conforms to ASTM A563 Grade DH standards and is ideal for heavy-duty structural and anchor applications.

Oversized Hex Nut for Steel and Infrastructure Bolting

With a 1-1/8″ diameter and 7 TPI coarse thread, this nut is purpose-built for large assemblies involving A325 or A490 bolts or high-strength threaded rods. The heavy hex design improves clamping strength and torque performance.

Key Features

• Material: Tempered and quenched carbon steel.
• Thread Type/TPI: Coarse 7 TPI threading.
• Heavy Hex Design: Provides optimal torque resistance and load capacity.
• Finish: Plain (uncoated) for weldable assemblies.
• Standard Compliance: ASTM A563 Grade DH.

Applications

• Bridge and highway construction
• Anchor bolt systems in utility settings
• Steel structure connections
• Infrastructure foundation builds
• Large-scale fabrication assemblies

Installation Tips

• Pair with 1-1/8″-7 A325 or A490 bolts or B7 rod.
• Apply proper torque using heavy hex sockets.
• Verify clean threads before fastening or welding.

Related Items:

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

California Residents: WARNING