What is this steel gate post used for?

It provides extra structural support for swing gates when a standard aluminum side post is not sufficient for the gate size, weight, or operating forces.

What are the post dimensions?

The post is a 3″ × 3″ square steel tube with a 3/16″ wall thickness and an overall length of 8′.

Is more than one length available?

No. This product is supplied only in the 8′ length.

When should I use this post instead of an aluminum side post?

It is commonly used for swing gates wider than 8′, heavy gates, and gate systems requiring increased structural support. Final requirements depend on the complete gate design and site conditions.

Can it be used for both single and double swing gates?

Yes. It can support properly designed single or double swing gate installations.

Is this post recommended for a motorized swing gate?

Yes. A heavy-duty steel support post is recommended when a single or double swing gate will be motorized.

Where should the gate motor be attached?

The motor should be attached to the structural steel post using the operator manufacturer’s required brackets, fasteners, geometry, and clearances.

Does the post include the gate operator?

No. The gate operator, brackets, fasteners, electrical components, controls, and safety devices are sold separately.

Can the motor be attached only to the aluminum side post?

For the wide or motorized applications described on this page, use the heavy-duty steel post as the structural motor-mounting support rather than relying only on the aluminum side post.

Which colors are available?

Choose Black, Bronze, White, Dark Grey, or Light Gray.

Is the steel cap included?

Yes. One matching steel cap is included with each post.

Are the post and cap the same color?

Yes. Both pieces are powder coated in the selected Alumission color.

Are hinges, anchors, or mounting hardware included?

No. Select all hinges, anchors, brackets, fasteners, and foundation materials for the actual gate design and installation conditions.

What should be confirmed before installation?

Confirm gate dimensions and weight, hinge loads, operator geometry, foundation requirements, wind exposure, post location, clearances, fasteners, electrical work, and all required safety devices.

What if the coating is damaged during drilling or welding?

Clean and protect exposed steel immediately with a compatible coating system suitable for exterior steel and the installation environment.

Black powder-coated 3 x 3 steel gate post with matching cap and flat seamless top

Technical drawing of 3 inch square steel gate post with 3/16 inch wall thickness, 8 foot length, and matching cap

3″ x 3″ Heavy-Duty Steel Gate Post – 8 ft with Cap

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8′ heavy-duty 3″ × 3″ square steel gate post with 3/16″ wall thickness. Recommended for wide or motorized swing gates. Includes a matching powder-coated steel cap.

$260.47

Color