Products and Specifications

Groundhog Anchor Model #68 

The Groundhog Anchor Support System Model #68 is a light-duty helical steel screw pile foundation used to support and/or tie down structures such as decks, balconies, docks, landings, fences and pool frames to name a few. 

  • Model #68 is 6 feet long, with an 8-inch helix 360° welded to a 1.25″ hollow square shaft and is colour coded grey.
  • 2000 lb. safe load per pile (1/3 of actual fail point in medium to stiff soil conditions).
  • Frost and heave resistant when properly installed.
  • Can be installed manually using a mechanical installation wrench which entails users walking in a radial pattern around the anchor while it screws into the ground.
  • Custom lengths and brackets are available upon request.
  • Professional installation by the Groundhog Anchors team can be arranged by contacting us or through your local hardware store.

Groundhog Model #89

The Groundhog Anchor Support System Model #89 is a medium-duty helical steel screw pile foundation used to support and/or tie down structures such as decks, sunrooms, boathouses, balconies, docks, landings, outbuildings, cement pads, trailer homes, jobsite trailers and grade beams to name a few.

  • Model #89 is 8 feet long with a 9-inch helix 360° welded to a 1.5″ hollow square shaft and is colour coded black.
  • 3000 lb. safe load per pile (1/3 of actual fail point in medium to stiff soil conditions).
  • Frost and heave resistant when properly installed.
  • Can be installed manually using a mechanical installation wrench which entails users walking in a radial pattern around the anchor while it screws into the ground.
  • Custom lengths and brackets are available upon request.
  • Professional installation by the Groundhog Anchors team can be arranged by contacting us or through your local hardware store.

Groundhog Model #812

The Groundhog Anchor Support System Model #812 is a heavy-duty helical steel screw pile foundation used to support and/or tie down structures such as decks, sunrooms, boathouses, balconies, docks, cement pads, trailer homes, jobsite trailers and grade beams to name a few.

  • Model #812 is 8 feet long with a 12-inch helix 360° welded to a 2″ hollow square shaft and is colour coded red. 
  • 5000 lb. safe load per pile (1/3 of actual fail point in medium to stiff soil conditions).
  • Frost and heave resistant when properly installed.
  • Can be installed manually using a mechanical installation wrench which entails users walking in a radial pattern around the anchor while it screws into the ground.
  • Custom lengths and brackets are available upon request.
  • Professional installation by the Groundhog Anchors team can be arranged by contacting us or through your local hardware store.

Groundhog Anchor Specifications

The first number indicates shaft length. The second number indicates helix diameter.

For example:

Model #68 Anchor has a 6 foot shaft with an 8 inch helix.

Model #89 Anchor has an 8 foot shaft with a 9 inch helix.

Model #812 Anchor has an 8 foot shaft with a 12 inch helix.

Model #68 Light/Medium – 1 1/4″ shaft – 8″ Flyte Series

The Model #68 anchors provide ideal tie down support for job-site trailers, signs, temporary buildings or tents requiring 2000 lb tension safe load.

Model #68 also provides an ideal foundation support for decking, carports, landings, stair stringers, pool frames, fences or septic tanks with compression safe loads of 2000lbs.

Model #68 is 6 feet long, with an 8-inch helix (8″ or full pitch) 360° welded to a 1.25″ hollow square shaft and is colour coded grey. The 1.25″ shaft has a wall thickness of 0.125″ and has a 3/4″ square nut welded to the top end which allows height adjustment using 3/4″ Unified National Coarse zinc plated threaded rod.

Compression Safe Load ~ 2000 lb

Tension Safe Load ~ 2000 lb

Anchor #49, #89 and #129 Medium/Heavy – 1 1/2″ Shaft – 9″ Flyte Series

Our most common anchor series; the Model #89 and Model #129 anchors are ideal for supporting decks, sunrooms, hot tubs, balconies, boathouses, docks, landings, outbuildings, cement pads and grade beams where compression safe loads of 3000 lb are required.

The Model #49 provides ideal tie down support for job-site trailers, signs, temporary buildings or tents requiring 3000 lb tension safe load.

The #89E anchor comes in 2 foot or 4 foot sections and is ideal for underpinning existing structures. The sectional application of this unit is installed in stages which makes installation under low existing structures possible.

This series features a 9-inch helix (9″ or full pitch) 360° welded to a 1.5″ hollow square shaft and is colour coded black. The 1.5″ shaft has a wall thickness of 0.188″ and has a 7/8″ square nut welded to the top end which allows height adjustment using 7/8″ Unified National Coarse zinc plated threaded rod. 

Compression Safe Load ~ 3000 lb

Tension Safe Load ~ 3000 lb

Anchor #812 and #1212 Heavy Duty – 2″ Shaft – 12″ Flyte Series

The Model #812 and Model #1212 anchors are ideal for mobile homes, additions, sunrooms, boathouses, balconies or grade beams to name a few. With compression safe loads of ~ 5000 lb, this anchor can handle almost any job. 

This series features a 12-inch helix (6″ pitch or half pitch) 360° welded to a 2″ hollow square shaft and is colour coded red. The 2″ shaft has a wall thickness of 0.188″ and has a 1″ square nut welded to the top end which allows height adjustment using 1″ Unified National Coarse zinc plated threaded rod. 

Compression Safe Load ~ 5000 lb

Tension Safe Load ~ 5000 lb

Fully Guaranteed

Groundhog Anchors are fully guaranteed against manufacturing defects. Custom in house manufacturing allows us to maintain our extremely high specifications and ensures we produce the best quality anchors.

Custom Lengths and Extensions Available

Please contact us if you would like more information about our anchors or would like to have an anchor size recommended for your project. Our in house custom manufacturing allows us to have an anchor size custom built for your application.