3-1/8" Square Galvanized Steel Fence Post Cap

3-1/8" Square Galvanized Steel Fence Post Cap

3-1/8" Square Galvanized Steel Fence Post Cap - side profile product image

3-1/8" Square Galvanized Steel Fence Post Cap

The 3-1/8" Square Galvanized Steel Fence Post Cap is made for commercial fence posts, gate posts, and perimeter fence projects where open post tops need a clean galvanized metal cover.

Fits 80mm square fence posts; actual cap outside dimension may vary slightly by production tolerance.

  • Size: 3-1/8" square post cap
  • SKU / Barcode Code: EONE-FPC-SQ-3125
  • Material: galvanized steel
  • Surface Treatment Options: Pre-galvanized / hot-dip galvanized / powder coated
  • Approx. Unit Weight: 0.12 kg / 0.26 lbs per piece
  • Use: square steel fence posts, chain link fence systems, commercial perimeter fencing, and gate posts
  • Supply: bulk orders, project quantities, and matched fence hardware packages

B2B Supply Notes

This 3-1/8 inch square steel fence post cap is intended for contractors, distributors, fence installers, and maintenance buyers who need repeatable galvanized post cap supply. For galvanized steel fence post caps wholesale programs, EONE can quote mixed-size cartons, OEM packaging, and repeat project supply for round and square fence post systems.

Use this page when sourcing a 3-1/8 inch steel fence post cap for chain link fence systems, commercial perimeter fencing, gate posts, ornamental metal fence repairs, and replacement hardware programs. For RFQs, send post outside diameter or square tube size, finish, quantity, packing preference, and delivery destination. Optional finishes include hot-dip galvanizing after fabrication and powder coating over galvanized steel.

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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