Black Round Post Caps
Shop our range of black round post caps — black powder coated steel caps for the tops of round chain wire fence posts, providing a neat, weatherproof finish that prevents water ingress and completes the black PVC chain wire fence aesthetic.
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Powder Coated Black Round Fence Post Cap – 32NB
$3.00Add to cart -

Powder Coated Black Round Fence Post Cap – 40NB
$3.50Add to cart -

Powder Coated Black Round Fence Post Cap – 50NB
$4.00Add to cart -

Powder Coated Black Round Fence Post Cap – 65NB
$12.00Add to cart -

Powder Coated Black Round Fence Post Cap – 80NB
$7.50Add to cart
Black Round Post Caps — Buying Guide
Why Use Post Caps?
Post caps serve an important functional and aesthetic purpose in chain wire fencing. Functionally, they prevent water from entering the hollow top of round steel fence posts — water entry leads to internal corrosion that can significantly shorten post service life. Aesthetically, post caps provide a clean, finished appearance to the top of each post, maintaining a consistent look throughout the fence installation. Black powder coated post caps are the matching choice for black powder coated fence posts and pipe.
Key Features
- Black powder coat finish — matches black powder coated fence posts, pipe and fittings for a cohesive black fence appearance
- Weatherproof design — prevents rain and moisture from entering the hollow post top, protecting against internal corrosion
- Precision sizing — designed to fit snugly on standard round chain wire fence post outer diameters
- Durable construction — powder coat over steel base provides excellent long-term outdoor durability
Selecting the Right Size
Post caps are sized to match the outer diameter (OD) of the fence posts they are fitted to. Measure the OD of your round posts before ordering to ensure a secure fit. A cap that is too loose will fall off or allow water entry; a cap that is too small will not fit at all. Standard chain wire fence post ODs range from 26mm to 60mm — refer to product listings for specific size options.
Installation
Push the post cap firmly onto the top of the post until it is fully seated. Some caps are designed with a friction fit; others may include a set screw or adhesive option for a more secure installation. In high-wind areas or where caps may be disturbed by installation traffic, secure with a small amount of construction adhesive.
Frequently Asked Questions
Do I need post caps on every post?
Caps should be installed on every hollow round steel post to prevent water ingress. Even in dry climates, condensation can accumulate inside hollow posts during temperature changes.
Can I use black post caps on galvanised posts?
Yes — the cap only needs to match the post OD for a correct fit. However, black caps on silver galvanised posts will create a visual inconsistency in the fence appearance.
Order Black Round Post Caps Online — Australia-Wide Delivery
Order online for fast dispatch. We supply fencing contractors and property owners across Australia. Contact us for size compatibility advice on your specific post diameter.




