3-1/2" Heavy-Duty Round Dome Pre-Galvanized Steel Fence Post Cap
3-1/2" Heavy-Duty Round Dome Pre-Galvanized Steel Fence Post Cap
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3-1/2" Heavy-Duty Round Dome Pre-Galvanized Steel Fence Post Cap
The 3-1/2" Heavy-Duty Round Dome Pre-Galvanized Steel Fence Post Cap is a heavy-duty pressed-steel cover for commercial round fence posts, gate posts, bollards, and perimeter fence projects. It sleeves over the outside of the post to help cover open post ends, reduce rain and debris buildup, and support a clean installed finish. The rounded dome profile gives the post a finished appearance while helping shed water.
Fits 3-1/2" round fence posts; actual cap outside dimension may vary slightly by production tolerance.
- Size: 3-1/2" round dome post cap
- SKU / Barcode Code: EONE-FPC-RD-DOME-HD-PG-3500
- Material: pre-galvanized steel
- Material Thickness: 0.11" approx.
- Surface Treatment Options: Pre-galvanized / Hot Dip Galvanized / Powder Coated
- Approx. Unit Weight: 0.32 kg / 0.71 lbs per piece
- Use: round steel fence posts, terminal posts, gate posts, bollards, chain link fence posts, and commercial perimeter fencing
- Supply: bulk orders, project quantities, and matched fence hardware packages
Posts & Caps
Fence posts and post caps for steel, aluminum, and farm fence systems
Built for buyers sourcing fence posts, aluminum posts, steel garrison posts, square post caps, round post caps, Y posts, flange kits, and replacement cap programs.
Exact fit
Post and cap fit depends on real outside dimension, wall thickness, mounting method, and finish thickness.
Broad cap range
Round and square caps are organized by inch and metric size for fast U.S. buyer matching.
Post options
Support aluminum posts, steel posts, Y posts, flange kits, in-ground posts, and capped posts.
Bulk packaging
Ship caps in bags/cartons and posts in bundles/pallets with project labels or private label packaging.
Common dimensions
| Item | Inch / ft | Metric | Use note |
|---|---|---|---|
| Aluminum square posts | 2 x 2 in | 50 x 50 mm | Common aluminum fence post profile. |
| Steel garrison posts | 2.56 x 2.56 in | 65 x 65 mm | Common black powder coated square steel post. |
| Post length | 70.9 / 82.7 / 106.3 / 118.1 in | 1800 / 2100 / 2700 / 3000 mm | Use in-ground or flange-mounted installation needs. |
| Round caps | 1.3 / 1.65 / 2 / 2.385 / 3 / 3.5 / 4.5 / 5.5 / 6.5 in | 33 / 42 / 51 / 60.6 / 76 / 89 / 114 / 140 / 165 mm | Match actual round post OD. |
| Square caps | 1.6 / 2 / 2.5 / 3 / 3.15 / 4 in | 40 / 50 / 63.5 / 76 / 80 / 102 mm | Match actual square post OD. |
Materials and finish
| Part | Raw material | Surface / finish | Buyer note |
|---|---|---|---|
| Posts | Aluminum, steel, galvanized steel, or Y-post steel | Powder coated black, galvanized, or raw/paint-ready | Choose by fence type and exposure. |
| Caps | Steel, aluminum, plastic, or die-cast cap | Black coated, raw, molded color, galvanized | Confirm inside fit and cap style. |
| Flange kits | Steel base plate, bolts, anchors | Powder coated or galvanized | Used for surface-mount installations. |
| Packaging | Bundles, cartons, bags, pallets | Labels, private label, project packing | Important for warehouse receiving and distributor stock. |
Best-fit applications
- Steel and aluminum fence post supply
- Round and square post cap replacement programs
- Garrison fence, ornamental fence, aluminum fence, and farm fence systems
- Dealer stock programs for posts, caps, and flange kits
- Project packing for installers and distributors