Fully Welded Ground Trampoline Anchors 18in Spiral - Heavy Duty Hold

In this review of the Fully Welded Ground Trampoline Anchors, the bottom line is simple: these anchors are for anyone who needs a straightforward, mechanical way to secure trampolines, sheds, tents or mobile homes to soil with a strong screw-in hold. The kit's main selling point is the solid 12mm steel spiral with a 3in helix that bites into the ground and gives a reassuring mechanical grip. Installation can be quick with an electric drill or done manually, which makes the set useful for both DIYers and installers alike.

Key Features

• Solid steel construction: The 12mm diameter steel shaft provides a rigid connection that resists bending under lateral loads.
• 3in helix diameter: A wide spiral and rounded edges help the anchor drive into soil cleanly and increase the surface area for a secure hold.
• Screw-in design: The anchors can be installed with an electric drill or a T-wrench, saving time or allowing hand installation where power is not available.
• Complete kit: Each anchor includes a top ring and a 14mm socket so users have the basic hardware needed to start anchoring immediately.
• Multipurpose use: The anchors work for trampolines, swing sets, sheds, trees, tents and more, providing versatility for yard and outdoor uses.

Who It's For

These ground anchors are best suited for homeowners, small contractors and outdoor enthusiasts who need a no-fuss way to secure lightweight to medium-duty structures into typical garden soil. The ability to use an electric drill makes them appealing to anyone who wants a fast install, while manual use with a T-wrench keeps them accessible on remote sites.

They are not a substitute for deep concrete footings or heavy foundation anchors required for permanent, high-wind certified installations on large structures. If you need engineered anchoring for commercial structures, a specialist solution is a better choice.

Pros & Cons

Pros

• High-quality 12mm steel offers a solid, rigid anchor that feels durable in use.
• 3in helix with rounded edges drills into soil smoothly and increases holding power.
• Flexible installation options: electric drill for speed or manual T-wrench for control.

Cons

• Some buyers report mixed long-term durability, so heavy corrosive environments or very rocky ground could be limiting.

Specifications

Overall length	17.5 in
Ground anchor length	15 in
Spiral (helix) diameter	3 in
Top ring diameter	20 mm
Material	12 mm diameter steel, chrome-plated
Includes	6 anchors, straps and 14 mm socket

Our Verdict

For homeowners and hobby installers who need a simple, effective way to secure trampolines, sheds or temporary shelters, these anchors deliver strong value thanks to the solid 12mm steel construction and wide 3in spiral. They are quick to install with a drill and versatile across many outdoor uses, though they are not a replacement for engineered permanent foundations in extreme conditions.

Frequently Asked Questions

Can these anchors be installed with a drill?
Yes. The design accommodates an electric drill using the supplied 14 mm socket to speed installation.

Are these anchors suitable for rocky soil?
They can work in some rocky soils, but very rocky or compacted ground may limit penetration and require specialized anchors or pre-drilling.

Do they include straps and tools?
The kit supplies anchors, straps and a 14 mm socket; additional tools like a drill or T-wrench may be needed for installation.