Best Ground Anchors For Pergola: 10 Screw-In Options Compared

#1 · Best Overall

1. Cartboatoy 30-Inch Anchor

• Dimensions: 30"L x 3.5"W
• Material Type: Alloy Steel
• Material: Alloy Steel

Best for: Deep-grip heavy-structure anchoring.

Why it ranks #1: Its 30-inch dual-spiral alloy-steel design reaches deeper than shorter options, and the kit includes a U-bolt, screws, socket, and wrench.

At 30 inches, Cartboatoy’s dual-spiral anchor reaches deeper than a short stake, and the listing rates it for 3,200-plus pounds per anchor in compact clay at full-depth installation. That combination targets buyers securing heavier outdoor structures where deep engagement and a stated capacity matter.

The forged alloy-steel anchor uses deep, aggressive dual spirals, which the listing says provide 40% deeper soil grip than single-spiral anchors. Its hot-dipped galvanized coating is reported to resist rust for more than three years in rain, snow, and salt air, a useful consideration for outdoor installation. The kit includes a U-bolt, mounting screws, socket, and wrench, reducing tool gathering. The 3,200-plus-pound figure applies specifically to full-depth installation in compact clay.

Skip it if you need the listed capacity to apply across loose or sandy soils; this rating is for compact clay.

This Cartboatoy kit fits buyers anchoring heavier structures in compact clay who value a stated full-depth capacity and included tools. Treat the load figure as soil-specific, and assess actual site conditions before relying on it.

Listed on Amazon as: Ground Anchor Screw in 30 Inch: 4 Pack Heavy Duty Stakes Kit with Tools

#2 · Deepest Reach

2. TECH2EACH 40-Inch Anchor

• Dimensions: 40"L x 3"W
• Material Type: Metal
• Material: Metal

Best for: Loose-soil and sandy-ground anchoring.

Why it ranks #2: The 40-inch fully welded auger is specifically intended to reach deeper, more stable layers, making it a useful choice for loose or sandy soil.

A 40-inch length is the defining feature of this TECH2EACH anchor, reaching toward deeper soil layers for buyers working in loose, sandy, or soft ground. Its fully welded auger and solid-steel construction complement that extra reach for securing listed outdoor structures and equipment.

The 40-inch screw-in anchor is specifically presented for reaching deeper, more stable soil where shorter anchors may not hold as well in loose or sandy ground. A fully welded auger and solid-steel construction are intended to resist bending, separation, and wear during demanding tie-down use. The listing names sheds, swing sets, tents, carports, gazebos, trampolines, and playground equipment as applications. The longer stake calls for attention to installation access and underground utilities before driving it in.

Skip it if you cannot install a stake 40 inches deep; the extra length is intended for deep soil engagement.

This TECH2EACH model suits buyers anchoring a pergola or other outdoor structure in soft or sandy ground who can accommodate deep installation. Its 40-inch length is a practical constraint where buried utilities or shallow soil limit insertion.

Listed on Amazon as: 40 Inch Ground Anchor Stakes Heavy Duty – Extra Long Fully Welded Screw in Auger Ground Anchors for Deep Hold Tie Down Outdoor Structures, Earth Anchors for Shed Canopy Tent Yard, Sandy Soil, 4 Pack

#3 · Tool-Included Option

3. TECH2EACH 30-Inch Anchor

• Dimensions: 30"L x 2.7"W
• Material Type: Metal heavy duty anchors
• Material: Metal heavy duty anchors

Best for: Tool-flexible 30-inch auger anchoring.

Why it ranks #3: Its 30-inch fully welded anchors come with a hex socket drill bit and long-handle T-wrench, offering two listed installation approaches.

Two differently sized augers—a 30 mm spiral and a 68 mm spiral—shape this 30-inch TECH2EACH anchor’s soil engagement. The kit also includes both a hex socket drill bit and a long-handled T-wrench, giving buyers a choice of powered or hand installation for listed outdoor structures.

The dual-size spiral profile is described as helping the stake penetrate soil with less screwing effort, while the 30-inch length offers more reach than shorter stakes. Buyers can install using the included hex socket drill bit or the reinforced long-handle T-wrench, which provides hand leverage. Fully welded construction is specified, and the listing names sheds, swing sets, tents, carports, gazebos, and trampolines. Check underground utilities and use suitable safety gear around power tools and the pointed end.

Skip it if you cannot drive an anchor 30 inches into the ground; this model depends on deep installation.

Choose this TECH2EACH kit if you want a 30-inch auger and the flexibility to install by drill or hand. It can suit a pergola tie-down plan where deep insertion is possible and underground utilities have been checked.

Listed on Amazon as: 30 inch Ground Anchors Heavy Duty Screw in – Kit of 4 Fully Welded Earth Anchors – Long Spiral Tie Down Stakes for Swing Set Shed Trampoline Canopy Tree Tent – High Wind Anchor – Sand Auger Stake

#4 · Strap-Friendly Head

4. Eurmax L-Shaped Anchor

• Dimensions: 40"L x 13"W
• Material Type: Alloy Steel
• Material: Alloy Steel

Best for: Slotted-bracket strap connections.

Why it ranks #4: The L-shaped top has a 2-inch slotted hole for threading straps, and the listing says it can fasten poles horizontally or vertically.

A two-inch elongated slot at the top gives this Eurmax anchor a clear advantage for buyers threading and fastening tie-down straps. Its L-shaped bracket also supports horizontal or vertical pole fastening, making it a flexible connection option for listed structures and wooden boards or panels.

The slotted top hole lets straps pass through and be secured, while its elongated shape allows flexible positioning, according to the listing. The L-shaped bracket can fasten poles horizontally or vertically and can also secure wooden boards and panels, extending its use beyond a single pole orientation. Widened spiral blades are specified for holding power, and the listed applications include trampolines, sheds, carports, greenhouses, and gazebos. The supplied facts do not state an anchor length or pull-force rating.

Skip it if you need a specified anchor length or pull-force rating before selecting a pergola tie-down; neither is supplied here.

Eurmax suits buyers who prioritize strap threading and flexible pole orientation for a gazebo, carport, or compatible pergola connection. The missing length and capacity figures limit how precisely you can match it to soil depth or load requirements.

Listed on Amazon as: Eurmax USA 4 Pack Heavy Duty Ground Anchors, Rust-Proof L-Shaped Screw-in Spiral Ground Stakes for Trampoline, Shed, Swing Set & Carport,High Wind Resistant Metal Auger Anchors (Black)

#5

5. MIXC 19-Inch Anchor

• Dimensions: 19"L x 2"W
• Material Type: Carbon Steel
• Material: Carbon Steel

Best for: Fully welded carbon-steel spiral anchors.

Why it ranks #5: Its fully welded 2-inch spiral blade and 19-inch length offer a compact screw-in format, with a drill adapter included.

A fully welded, two-inch spiral blade is the key feature of this 19-inch MIXC anchor, intended to stay locked to its carbon-steel shaft rather than bend or spin loose under load. It suits buyers seeking a broad soil-engaging profile for listed outdoor structures.

The two-inch-wide blade engages soil, sand, hard clay, grass, and snow according to the listing, giving buyers a range of stated ground applications. Of the anchor’s 19 inches, 15.6 inches are specified as driven into the ground, a useful installation detail when assessing above-ground connection height. Carbon steel forms the anchor, and a drill adapter is included for powered installation. The listing identifies sheds, mobile homes, swing sets, fences, and gazebos among its uses.

Skip it if you need more than 15.6 inches of stated driven depth; the listed in-ground portion is 15.6 inches.

This MIXC anchor suits buyers wanting a welded two-inch spiral and drill-assisted installation for a listed structure such as a gazebo or shed. Factor in its 15.6-inch stated driven depth when planning a pergola tie-down.

Listed on Amazon as: MIXC Heavy Duty Ground Anchors Screw in with L Bracket,19 in Spiral, 4 Pack

#6

6. Ciyivak 20-Inch Anchor

• Material: Metal

Best for: Drill-assisted shed and pergola anchoring.

Why it ranks #6: The 20-inch anchor has a 2.5-inch spiral blade, L-brackets, and a drill adapter, giving pergola installers several listed attachment components.

A 2.5-inch spiral blade gives this 20-inch Ciyivak anchor a wider soil-engaging profile, while its drill adapter helps power it into the ground. That combination suits buyers who want a screw-in anchor for outdoor structures and prefer a drill-assisted installation workflow.

The 20-inch metal anchor has a wider spiral blade that the listing says screws deeper into soil, sand, or clay, supporting its use across those ground types. An included electric-drill adapter and self-tapping screws make installation more direct than turning each anchor by hand. L-brackets provide a connection point for a structure, while the four-anchor kit can be considered for sheds, carports, and other listed outdoor uses. The listing does not specify a load rating.

Skip it if you need a stated pull-force rating before choosing an anchor; this listing provides none.

Choose this Ciyivak kit if you want drill-assisted installation and L-brackets for a shed, carport, or comparable outdoor structure. Its 20-inch length and unspecified capacity may not suit every soil condition or high-load anchoring plan.

Listed on Amazon as: Swing Set Anchors 20" – Heavy Duty Ground Anchors Screw in with L-Brackets & Drill Adapter, Fully Welded Spiral Earth Anchor for Storage Sheds, Trampoline, Fence, Carports

#7

7. Ciyivak 18-Inch Cable Kit

• Dimensions: 18"L x 2"W
• Material Type: Alloy Steel, Metal
• Material: Alloy Steel, Metal

Best for: Cable-and-strap tie-down kit.

Why it ranks #7: This kit pairs four 18-inch anchors with 50 feet of galvanized cable, straps, clamps, and tools for buyers planning a tie-down connection.

A 50-foot galvanized cable and extra-wide tree straps set this Ciyivak kit apart from anchor-only packs, giving buyers several listed ways to connect outdoor structures or trees. Its four 18-inch screw-in anchors and installation tools make it a bundled option for a multi-point tie-down setup.

The package combines four 18-inch anchors with galvanized cable, bolt-type clamps, tree straps, a drill adapter, T-socket, and clamp wrench. Those included pieces support a workflow that can connect a structure or tree without sourcing cable and basic tools separately. The listing names sheds, mobile homes, tents, trampolines, canopies, and swing sets among its uses. Check for underground utilities before installation, and handle the sharp anchor ends with appropriate care.

Skip it if you need a 30- or 40-inch anchor for deeper soil engagement; this kit's anchors are 18 inches.

Pick this Ciyivak set if cable, straps, clamps, and tools are useful for your tie-down workflow, including a pergola setup with compatible attachment points. Its 18-inch anchors are the boundary to weigh for your soil and structure.

Listed on Amazon as: 18'' Ground Anchors Screw in Heavy Duty, Shed Anchor Kit with Straps & Steel Cable & Tools, Earth Anchors for Mobile Home, Carports, Swing Set, Tree, Trampoline – Secure Against High Winds(4)

#8

8. Phopich 15-Inch Anchor

• Dimensions: 14.96"L x 1.6"W
• Material Type: Metal
• Material: Metal

Best for: Compact full-spiral outdoor anchoring.

Why it ranks #8: Its 15-inch full-spiral design is shorter than higher-ranked choices, but it includes a nut and tool and is listed for gazebos and canopies.

A full spiral blade measuring 1.6 inches wide spans the 15-inch Phopich anchor, a compact screw-in option for buyers securing tents, trampolines, canopies, or similar listed items. Its top ring and powder-coated steel construction provide the defining connection and material features of this four-pack.

The full spiral blade is specified as 2.21 mm thick and 1.6 inches wide, and the listing says its design makes ground penetration easier. A top ring provides a place to attach a tie-down, while powder-coated solid steel is described as rust resistant. The kit includes a nut and tool, supporting installation without sourcing those items separately. At about 15 inches long, these anchors favor projects where a compact stake is sufficient rather than a deeper-reach setup.

Skip it if you need deeper anchor reach for a substantial structure; this model is about 15 inches long.

This Phopich four-pack suits buyers needing compact ring-top anchors for tents, canopies, or comparable outdoor items. For a pergola, consider whether its approximately 15-inch reach and listed connection style fit the soil and tie-down plan.

Listed on Amazon as: Phopich Ground Anchor Screw in, 4 Pack Spiral Trampoline Anchors with Nut and Tool Swing Set Anchors Tent Stakes High Wind Heavy Duty for Sheds, Carports, Mobile Home Orange

#9

9. Fabulas 18-Inch Anchor

• Material Type: Iron
• Material: Iron

Best for: Reusable 18-inch spiral anchors.

Why it ranks #9: The 18-inch removable spiral anchors are listed for outdoor structures, but the supplied details give less connection and tool information than higher-ranked kits.

A removable, reusable design distinguishes Fabulas’s 18-inch spiral anchors for buyers who may relocate or store their outdoor setup. The 360-degree welded spiral joins the shaft, while a black painted surface is specified to minimize rust and damage during outdoor use.

The iron anchor’s spiral is precision-welded around the shaft, a construction detail the listing associates with sturdiness and durability. Its 18-inch length and screw-in spiral format suit listed uses such as sheds, carports, trampolines, tents, fences, and playground equipment. The removable design supports reuse when a temporary setup changes, rather than treating the anchors as permanent fixtures. Handle the sharp tips carefully, and check underground utilities before installation.

Skip it if you require a published pull-force rating for a high-load structure; this listing gives no capacity figure.

Fabulas fits buyers who value removable, reusable 18-inch anchors for changing outdoor arrangements, including compatible pergola tie-downs. Its unspecified load capacity is an important limit when planning a structure that requires a quantified holding rating.

Listed on Amazon as: Fabulas Ground Anchors Heavy Duty, Swing Set Anchor Kit 18 Inch 4 Pack Screw in Earth Anchors Trampoline Stakes High Wind Metal Auger Anchor for Shed Tent Carports Securing Animals Camping Mobile Home

#10

10. LADECH 4×4 Post Anchor

• Dimensions: 16"L x 7"W
• Material Type: Alloy Steel
• Material: Alloy Steel

Best for: Fixed-post and fence reinforcement.

Why it ranks #10: This is a post-base spike system for 4×4 posts, fences, and decks rather than a general screw-in tie-down anchor for a pergola.

Four 16-inch ground anchors at each post base give this LADECH system an anti-tilt approach for buyers supporting fence, mailbox, or deck posts. Rather than a single spike, its corner-anchor layout spreads support around a post, making it a distinct choice for post-based outdoor projects.

The four-corner design uses 16-inch anchors to reinforce posts and help prevent tipping, according to the listing. Steel that is 2–3 mm thick and a powder-coated finish are specified for outdoor durability and rust resistance, while sharp tips are described as helping the anchors enter soil quickly, including hard soil. Corner screws are included for the post connection. This is a post-base product, so its use depends on a project that can work with that mounting arrangement.

Skip it if you need an auger stake with a bracket for straps; this product uses a four-corner post-base arrangement.

Choose LADECH for a fence, mailbox, or deck post that needs corner-based reinforcement, or a pergola project using compatible posts. It is a post-base system rather than a general-purpose screw-in anchor for attaching straps.

Listed on Amazon as: 16′′ No-Dig 4×4 Ground Spike Post Anchors – Powder-Coated Steel, Includes 4 Corner Screws – Heavy-Duty Ground Anchors for Fence, Mailbox & Deck Posts (4 PCS – Black)