£ 37,00 incl. vat

£ 30,83 excl. vat

Volume discount starts with the purchase of 50 pieces and increases depending on the number of foundations ordered. Enter a quantity to see your discount.

GroundPlug® TwisterTM M12/1000mm Screw Pile

GroundPlug® TwisterTM M12 is our small TwisterTM screw pile series. We recommend this series for all standard soil types. GroundPlug® TwisterTM M12/1000mm, like the 750mm, is appropriate for both decks and walkways or similar. Distance from terrain level to mounting point up to 20cm for decks. Choose the 1000mm if you need to reach deeper into the ground to find carrying capacity in the soil or if you are living in an area that gets frost and building a structure very sensitive to small displacements.

Choose this footing for flat to slightly sloping terrain for decks, , playhouses, walkways and the like.

£ 37,00 incl. vat

£ 30,83 excl. vat

Volume discount starts with the purchase of 50 pieces and increases depending on the number of foundations ordered. Enter a quantity to see your discount.
Weight: 1.78 kg
Dimensions: 100 cm X 4.32 cm X 4.32 cm
Materials: Galvanized steel
Vertical Load Capacities at max terrain distance:
– Soft Clay/Loose sand: Compression: 5.48 kN Tension: 2,87 kN
– Medium clay/Medium sand: Compression: 7.18 kN Tension: 4.15 kN
– Stiff clay/Dense sand: Compression: 11.41 kN Tension: 6,89 kN
Vertical Load capacities when fully installed in ground:
– Soft clay/Loose sand: Compression: 7,38 kN Tension: 3,86 kN
– Medium clay/Medium sand:  Compression: 9,68 kN Tension: 5,59 kN
– Stiff clay/Dense sand: Compression: 15,38 kN Tension: 9,29 kN
Top for impact wrench: 19 mm
Minimum torque: 1000 Nm
Max terrain distance:
– Decks: Maks. 20 cm
Technical drawing: PDF
Weight: 1.78 kg
Dimensions: 100 cm X 4.32 cm X 4.32 cm
Materials: Galvanized steel
Vertical Load Capacities at max terrain distance:
– Soft Clay/Loose sand:
Compression: 5.48 kN Tension: 2,87
– Medium clay/Medium sand:
Compression: 7.18 kN Tension: 4.15 kN
– Stiff clay/Dense sand:
Compression: 11.41 kN Tension: 6,89 kN
Vertical Load capacities when fully installed in ground:
– Soft Clay/Loose sand:
Compression: 7,38 kN Tension: 3,86
– Medium clay/Medium sand:
Compression: 9,68 kN Tension: 5,59 kN
– Stiff clay/Dense sand:
Compression: 15,38 kN Tension: 9,29 kN
Top for impact wrench: 19 mm
Minimums Torque 1000 Nm
Max Terrain Distance:
– Decks: Maks. 20 cm
Technical Drawing: PDF

To find out, how many and which type of GroundPlug® Screw Pile, you need for your project, you have 3 options:

Use our free engineering service by filling out our project form.

Calculate you own project by using our capacity tables

Please note that the tables can only be applied to smaller simpler projects such as decks, sheds and outbuildings with standard shapes. If you are building a larger or more complex project, with a more complex shape or on sloping terrain  we encourage you to take advantage of our free engineering service.

You can also design and calculate your own deck project using our super cool 3D Deck Designer.

GroundPlug® Twister™ Screw piles are designed for quick and easy installation , regardless of what size you are installing. On our installation page you will find step-by-step installation manuals, incl. a list af the tools you will need to install the GroundPlug® Twister™ Screw Piles. It doesn’t get much simpler than that.

Installation manual:

GroundPlug® TwisterTM M12/1000mm Screw Pile

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Large Construction & Infrastructure

Did you know that GroundPlug has the market’s largest range of steel foundations?

Have a look at our series for multi-storey construction, infrastructure and industrial construction.