Product family

Pole-Line Hardware

Overhead distribution lines hang on hardware that stays out in the weather on a wood pole for as long as the line is up. GV supplies the galvanized steel parts linemen bolt, screw and drive into that pole: machine, hex and carriage bolts, double arming bolts, spool bolts, lag screws, washers, nuts, ground rods and screw anchors for the guys. Each part is sourced to ANSI C135.1 or the pattern your utility specifies.

Explore pole-line assemblies
Pole-Line Hardware steel components

Five families

Eleven products for utility poles.

Organized by type. Know a product by another name? Find it in the trade-names list.

Machine / Square Headed Bolt

Product family

Through bolts

Long galvanized bolts that pass right through the pole to clamp crossarms and hardware to it.

Double Arming Rod

Product family

Arming and insulator bolts

Bolts shaped for one job on the pole: doubling crossarms, or carrying a spool insulator.

Lag Bolt

Product family

Wood fixings

Coarse-threaded lag screws driven into the pole where a bolt cannot pass through.

  • Lag BoltFixes brackets and steps into the wood.
Washers

Product family

Nuts and washers

The nuts and bearing washers that finish every bolted joint on the pole.

  • WashersSquare, curved, round and lock washers.
  • Square NutSquare nut for machine and arming bolts.
  • Hex NutHex and heavy hex nuts for bolts and rods.
Earth Anchor / Auger

Product family

Anchoring and grounding

The steel that goes into the ground: anchors for the guys and rods for the earth connection.

Where it's used

Hardware for every part of the pole.

Crossarm construction

Every tangent, angle and dead-end pole carries crossarms that hold the insulators and conductors clear of the pole. The arms are through-bolted to the pole, braced, and doubled where the line pulls hardest. Machine / Square Headed Bolt, Double Arming Rod, Carriage Bolt, Washers and Square Nut cover it.

Related components
Tangent polesDead-endsDouble arms

Secondary and service lines

Low-voltage secondary and service drops run on spool insulators mounted on racks or straight on the pole. The spool bolt carries the insulator and bolts through the pole or the rack. Spool Bolt, Washers, Square Nut and Hex Nut cover it.

Related components
Secondary racksService dropsStreet lighting

Guying and anchoring

Angles, dead-ends and long spans pull a pole off vertical unless a guy wire holds it back to an anchor in the ground. A screw anchor is turned into the soil at the lead and the guy is made off to its eye. Earth Anchor / Auger, Hex Nut and Washers cover it.

Related components
Down guysAngle polesDead-ends

Grounding and earthing

Transformers, arresters and neutral conductors on the pole are bonded to earth through a rod driven beside its base. The rod is driven to depth and the ground wire is clamped to its top. Ground Rod covers it.

Related components
TransformersNeutralsArresters

Pole attachments and maintenance

Brackets, pole steps, cable guards and riser supports are fixed to the pole without drilling through it. Crews also replace corroded bolts and nuts during line maintenance. Lag Bolt, Hex Headed Bolt, Carriage Bolt, Hex Nut and Washers cover it.

Related components
BracketsPole stepsLine maintenance

How GV sources this

From specification to delivery in four steps.

Specify

You define the specification, drawing, or standard. We work with your engineering requirements—ASTM grades, dimensions, finishes, certifications.

Qualify partner

We audit and certify manufacturing partners in India. First-article inspection and approval. Blanket orders or scheduled releases as you need.

Inspect & document

Pre-shipment inspection and third-party verification on request. Mill test reports, coating certificates, dimensional reports—documentation packs in every container.

Deliver to US site

Consolidated shipments to US ports and job sites. Landed-cost pricing in USD. Single point of contact in Katy, Texas for order management and support.

Questions answered

Common questions about pole-line hardware.

Why do pole-line bolts come with square heads and square nuts?
Square heads and nuts are the standard US pole-line pattern set out in ANSI C135.1. A square nut bears on a wider area of wood and is easier to turn with a lineman's wrench. GV supplies both square and hex patterns to match your utility's specification.
What is a double arming bolt used for?
A double arming bolt is threaded full length with a point at each end. It passes through two crossarms mounted either side of a pole, with nuts clamping each arm, so the pair shares the load at angles and dead-ends. GV supplies them in 5/8 to 1 1/4 in (M16 to M32) diameters to ANSI C135.1.
What is a spool bolt?
A spool bolt carries a spool insulator for secondary or service conductors. Its forged shoulder, single or double, sets the insulator clear of the pole or rack. GV supplies it in 5/8 in (M16) with nuts, lock washers, a round washer and a cotter pin.
What galvanizing do pole-line bolts and nuts get?
Pole-line hardware is hot dip galvanized to ASTM A153, typically with a 85 µm (3.3 mil) minimum zinc coating. Nuts are tapped oversize so they run freely on a galvanized thread.
What sizes of ground rod does GV supply?
Galvanized ground rods in 5/8 and 3/4 in (M16 and M20) diameters, 6, 8 and 10 ft (2 to 3 m) long, with a pointed end for driving. UL 467 sizes available on request.
How is a screw anchor chosen for a guy?
Buyers choose the helix diameter to suit the soil, and the rod diameter and length to suit the guy and the depth. GV supplies screw anchors with 1/2 to 1 in (12 to 25 mm) rods and 4 to 10 in (100 to 250 mm) helixes, available painted, powder coated or galvanized.

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