Guide · SHS Sizes
SHS Sizes for Fence Posts & Gate Frames
The everyday square hollow section sizes used by Australian fencing contractors for posts, gate frames and commercial framework.
Specification & Supply
SHS is the most-used profile for fence posts and gate stiles across Australia. It's typically supplied to AS/NZS 1163 in pre-galvanised, hot-dip galvanised or powder-coated finishes, capped with plastic post caps for installation. Larger 89×89 and 100×100 sections are used for heavy commercial and security applications — subject to availability.
- 50×50 SHS — residential posts and light gate frames
- 65×65 SHS — standard commercial fencing post
- 75×75 SHS — heavier commercial and security posts, gate stiles
- 89×89 / 100×100 SHS — heavy security and gate post applications
- Wall thickness 1.6mm – 4.0mm covers the fencing range
- Pre-galv, HDG and powder coated finishes available
Specifications
AS/NZS 1163| 50×50 SHS | Walls 1.6 / 2.0 / 2.5 mm — residential posts, light gate frames |
|---|---|
| 65×65 SHS | Walls 2.0 / 2.5 / 3.0 mm — standard commercial post |
| 75×75 SHS | Walls 2.0 / 2.5 / 3.0 / 4.0 mm — heavy commercial and security posts |
| 89×89 SHS | Walls 3.5 / 4.0 / 5.0 mm — heavy gate posts, security |
| 100×100 SHS | Walls 4.0 / 5.0 / 6.0 mm — gate posts, infrastructure |
| Stock Lengths | Posts 1.8 / 2.1 / 2.4 / 2.7 / 3.0 m · Mill 6.0–9.0 m · cut-to-length |
| Standard | AS/NZS 1163 — typical fencing grade C350L0 |
| Finishes | Pre-galv · HDG (AS/NZS 4680) · Powder coated · Black |
Why contractors buy steel from us
Trade WholesaleMill direct supply
Sourced direct from Australian and approved overseas mills — bulk pricing without the merchant markup.
AS/NZS compliant
Steel manufactured to recognised Australian Standards. Mill certificates supplied on request for engineered jobs.
Cut to length
Mill lengths, standard fencing lengths or cut-to-size packs — palletised ready for site.
Australia-wide freight
Direct truck loads, part loads and palletised freight to metro, regional and remote project sites.
Bulk & project quantities
From single pack to full mill order — priced for fencing contractors, fabricators and infrastructure programs.
Trade-only pricing
We supply the trade — fencing contractors, fabricators, steel merchants, landscapers and government buyers.