Square Nut

Square Nut (Regular/Heavy/1/2" diameter series) is a hot-dip galvanized steel fastener for mating with squarehead/double arming bolts in power infrastructure.

• Regular: Nominal sizes 3/8"–1", weights 1.20–9.20kg/100pcs, 150–2,000 pcs/carton.

• Heavy: Nominal sizes 5/8"–1", weights 5.80–23.50kg/100pcs, 100–500 pcs/carton.

• 1/2" diameter series: Nominal sizes 3/8"–3/4", min tensile strength 3,500Kg, weights 7.90–10.80kg/100pcs, 1,000 pcs/carton.

The square shape prevents rotation during tightening, ensuring secure bolt locking.

Description
Advantage
Application
Accessories

3/8"–1" Square Nut features anti-rotation design and hot-dip galvanization for outdoor power applications.

• Anti-rotation design: Square profile locks the nut in place when tightening, critical for utility pole hardware installation.

• Weight graded variants: Regular/Heavy options fit light/heavy-duty load requirements in power systems.

• Tensile strength matching: 1/2" series nuts meet 3,500Kg strength to pair with compatible bolts.

• Corrosion resistance: Hot-dip galvanization protects against rust in outdoor utility applications.

• Bulk packaging: 100–2,000 pcs/carton suits large-scale power infrastructure projects.

•Utility pole hardware (locking squarehead/double arming bolts for crossarm/brace mounting).
•Power transmission towers (securing structural bolts in steel tower assemblies).
•Substation equipment (mating with bolts for transformer/switchgear mounting).

• Squarehead/double arming bolts (matching nominal sizes): For utility pole and transmission hardware fastening.

• Lock washers: Prevent nut loosening under power line vibration.

• Anti-corrosion grease: Lubricates nut threads for easy installation and rust prevention.

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