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Heavy Duty 1'' x 66″ with 10″ Helix “Galvanized” Screw Anchor

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$93.37

$ 43 .99 $43.99

In Stock

About this item

  • Built for Tough Environments: 1" Solid Shaft: Engineered for strength with a welded closed eye, ensuring durability in demanding conditions. Hot-Dipped Galvanized Finish: Provides superior protection against corrosion, making it ideal for use in medium to soft soils, including harsh, corrosive environments.
  • Versatile Applications: Perfect for securing: Mooring boats and docks Vineyard trellises Large storage sheds and retaining walls Radio antennas and small windmills And much more
  • Impressive Holding Power: Withstands pullout resistance up to 12,000 lbs in hard pan soils. For softer, less dense soils, holding capacity may be reduced.
  • Installation Tips: Achieve maximum holding strength by installing the anchor to full depth, with the base of the eyelet flush at ground level. Welded closed eyelets for added security Easily installed by hand in softer soils using an installation bar; harder soils may require power installation equipment.


Heavy Duty 1" x 66″ with 10″ Helix “Galvanized” Screw Anchor Heavy duty 1"
Shaft and welded closed Eye Ideal for corrosive environments in medium to
soft Soils – “Hot dipped Galvanized Finish” Commonly used for Mooring Boats
and docks, securing vineyard trellises, Large storage sheds, retaining
walls, radio antennas, small windmills, Long Hop runs All eye anchors are
manufactured from steel that conforms to ASTM A-36 M1020 standards. Holding
strength is based on clay soils which are of hard to medium density. The
holding strength is reduced in softer less dense soils and sandy soils. To
ensure maximum holding strength, anchor must be installed to full depth
with the bottom of eyelet at ground level. Anchor eyelets are always weld
closed, eyelets can be left open upon request of the customer. Can be
installed by hand in softer soils with a "installation bar" harder soils
may need power installation equipment 12,000 lb+ pull out resistance in
Hard Pan soils- less in less dense soils MADE in the USA Specifications:
Finish: Hot Dip Galvanized Shaft Diameter: 1″ Helix: Single 10″ ID of Eye:
1 1/2″ Welded closed Length: 66"


Fernandina Beach FL Resident
August 24, 2025
Used to secure timbers into a bank used in a retaining wall.
Howard G Ward Jr
June 26, 2025
Easy to install
Beth D
April 14, 2025
I used this screw anchor for a mooring for my pontoon. It was heavy duty enough to hold the pontoon in place even after some high winds.
S. Hines
April 2, 2025
We used a 10’ pipe with a 3/4 diameter to put through the eyelet on the mooring screw to “drill” into the riverbed. It took about 20 minutes for two people to install. Works great as a mooring point.
Donald C.
February 14, 2025
It arrived as promised. The pointed end had poked through it’s packaging. I thought shipping moneys were a lot. (Free shipping was not available)I found the helical anchor to have been assembled with formidable steel and was welded acceptable.I found the galvanization to be thin to not existent in spots. With surface rust having already started. I was planing on using it in gulf salt waters, so I spray painted it before installation with hopes it may stave off rusting through for a day or two.Won’t know how it works out until it has been under water for a time.A stainless steel version of this product was available until I went to buy it.
Timper02
December 3, 2024
We bought 2 to anchor. Works amazingly! Surprisingly heavy and large but it was exactly what we needed for the job! Totally recommend!
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