Steel Ground Sleeve - 4" Diameter - 20' High Flagpoles

American Flagpole
Made in the USA
In Stock: Ships in 3 to 4 weeks
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Ground Sleeves - Steel
Corrugated Steel with Steel Lightning Spike Two-Piece Design
Corrugated Steel Ground Sleeves with Steel Lightning Spike are designed for use in Ground Set flagpole installations. Our superior 2-piece design contains an upper section manufactured of galvanized 16-gauge corrugated steel tube, a thick steel base plate, and steel centering wedges welded into the base to assist in plumb installations of the flagpole. The lower section incorporates a threaded top 3/4" diameter steel grounding spike with 6" x 6" steel setting plate, allowing the concrete foundation to completely surround the sleeve.

Galvanized Steel foundation sleeves which requires 1' of the flag pole to be encased in the ground sleeve for every 10' of exposed flagpole height. The diameter of the sleeve should be at least 2" greater than the outside diameter of the flag pole with the area in between the sleeve and the flagpole filled with dry sand. Please follow easy enclosed instructions when using a foundation sleeve.

Recommended for 20' poles with a 4" Butt Diameter


A (Sleeve Length)= 2ft

B (Sleeve Diameter)= 6in

C (Base Plate)= 8in

  • Corrugated Steel Ground Sleeve with Lightning Spike
  • Ground Set Installations
  • Two-Piece Design:
    • Top made of galvanized 16-gauge corrugated steel tube
    • Bottom is a thick steel base plate with welded steel centering wedges
  • For Flagpoles up to 20'
  • Sleeve Length - 2'
  • for 4" Butt Diameter Pole
  • Sleeve Diameter - 6"
  • Base Plate - 8"
1.00 (in)
1.00 (in)
1.00 (in)
Country Of Origin:
United States
Product Type:
Outdoor Bases and Anchor Bolts
Product Type:
Flagpole Accessories
Left Overlay Image:
Made in the USA.png

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