Ground Screw Products

At Anchoring Colorado, we offer a full range of ICC-certified ground screws built for strength, reliability, and code-compliant performance. Engineered for long-term stability, our screws provide a dependable foundation solution across a wide variety of projects.

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STANDARD • NON-CERTIFIED

Model 3 Screws

Standard, non-certified screws — shown here for sizing and length reference (no load ratings).

Available Models & Lengths

Models listed by size. Length shown in feet.

Model
Length
Diameter
Wall
  • Model 3 • 68×864×2mm
    Standard series
    2.83 ft
    2.68 in
    2.00 mm
  • Model 3 • 50×1000×2mm
    Standard series
    3.28 ft
    1.97 in
    2.00 mm
  • Model 3 • 76×1300×3.5mm
    Standard series
    4.27 ft
    2.99 in
    3.50 mm
  • Model 3 • 76×2500×4mm (880 thread)
    Thread: 880
    8.20 ft
    2.99 in
    4.00 mm
  • Model 3 • 102×1550×3.75mm (880 thread)
    Thread: 880
    5.09 ft
    4.02 in
    3.75 mm
  • Model 3 • 102×2050×3.75mm (880 thread)
    Thread: 880
    6.73 ft
    4.02 in
    3.75 mm
  • Model 3 • 114×1800×3.75mm (880 thread)
    Thread: 880
    5.91 ft
    4.49 in
    3.75 mm

ICC • ESR Listed • Code Approved

ICC Certified Screws

Code-approved ground screws, grouped by diameter — clear specs, clean layout, fast comparisons.

View ICC Reports Shop 3" OD
Fast Install
No Concrete
Engineered Loads

3" OD (76mm)

Residential structures and medium-duty builds.

Max Load 8,129 lbs
View Report
3 inch OD ICC certified ground screw
Typical use
Decks, pergolas, patio covers
Thread
610
Wall thickness
3.75 mm
Product
Length
Diameter
Wall
  • IM3316 (ICC)
    76×1600×3.75mm • 610 thread
    5.25 ft
    2.99 in
    3.75 mm
  • IM3320 (ICC)
    76×2000×3.75mm • 610 thread
    6.56 ft
    2.99 in
    3.75 mm

4.5" OD (114mm)

Heavy structures and higher load requirements.

Max Load 12,823 lbs
View Report
4.5 inch OD ICC certified ground screw
Typical use
Manufactured homes, pole barns, large builds
Thread
610
Wall thickness
3.75 mm
Product
Length
Diameter
Wall
  • IM34516 (ICC)
    114×1600×3.75mm • 610 thread
    5.25 ft
    4.49 in
    3.75 mm
  • IM34518 (ICC)
    114×1800×3.75mm • 610 thread
    5.91 ft
    4.49 in
    3.75 mm
  • IM34520 (ICC)
    114×2000×3.75mm • 610 thread
    6.56 ft
    4.49 in
    3.75 mm

Standard Insertable Stock Flanges

Flange inserts for 3" and 4.5" ground screws.

3" Screw
M33 for 3 inch beam

M33 For 3" Beam

Fits: 3" Ground Screw

3" Screw
Model 44 for 4x4 beam

Model 44 For 4×4" Beam

Fits: 3" Ground Screw

3" / 4.5"
Model 66 for 6x6 beam

Model 66 For 6×6" Beam

Fits: 3" & 4.5" Ground Screws

3" / 4.5"
Model 5 six hole circle flange

Model 5 Six Hole Circle Flange

Fits: 3" & 4.5" Ground Screws

3" / 4.5"
Model 6 flex square flange

Model 6 Flex Square Flange

Fits: 3" & 4.5" Ground Screws

3" / 4.5"
Model 7 flex circle flange

Model 7 Flex Circle Flange

Fits: 3" & 4.5" Ground Screws

WELDED FLANGE • GROUND SCREWS

Welded Flange Ground Screws

Welded flange screws engineered to connect above-ground structures (posts, beams, plates, and more) with fast, code-friendly foundations.

View Reports Jump to M5
Welded Flanges
Fast Install
Engineered Loads

M8 Welded 3" OD (76mm)

Great for ground-mount solar, light commercial fixtures, and repeatable layouts.

Thread 610
View Report
M8 welded flange ground screw render
Typical use
Ground-mount solar, light equipment pads, signage bases
Thread length
24" (610mm)
Wall thickness
3.75 mm (.15")
Product
Length
Diameter
Wall
  • IM8320 (M8 Welded)
    76×2000×3.75mm • 610 thread • Thread length 24"
    6.58 ft
    2.99 in
    3.75 mm

M8 welded flange screws are a strong fit for repeatable installs like ground-mount solar rows and light commercial foundations.

Reports & installation notes →

M5 Welded 4.5" OD (114mm)

For heavier structures like HUD/manufactured homes, platform bases, and higher loads.

Thread 610
View Report
M5 welded flange ground screw render
Typical use
HUD homes, manufactured homes, heavier platforms & steel bases
Thread length
24" (610mm)
Wall thickness
3.75 mm (.15")
Product
Length
Diameter
Wall
  • IM54516 (M5 Welded)
    114×1600×3.75mm • 610 thread • Thread length 24"
    5.25 ft
    4.49 in
    3.75 mm
  • IM54520 (M5 Welded)
    114×2000×3.75mm • 610 thread • Thread length 24"
    6.58 ft
    4.49 in
    3.75 mm

M5 welded flange screws are typically used for heavier structures like HUD/manufactured homes and larger builds with higher load requirements.

Reports & installation notes →

25-Year Warranty!

At Anchoring Colorado, we are confident in the exceptional quality and durability of our products. That’s why we offer a 25-year warranty on all our ground screws. Our commitment is to provide you with peace of mind, ensuring that your projects are supported by a foundation built to last.

View Warranty Details

Ground Screw Applications

Decking

Fencing

Patio Covers

Pole Barns

Sheds

Solar Panels

Serving Homeowners and Contractors Throughout Colorado!

Whether you’re a deck builder looking to cut project timelines, or a homeowner in need of a secure foundation. Anchoring Colorado delivers fast, reliable ground screws for all your needs!

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