MAGNUM® MHP313-10DG Helical Deck Pier

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Screw-In Deck Foundation Pier
3″ Diam x 3’0″ Long Helical Pile with Integral Plate for Residential Wood Deck Support

Data Sheet

SKU: MHP313-10DG Category:


Revolution in deck support, the Magnum Helical Deck Pier installs in just minutes. Screwed into the ground using a hydraulic torque motor, deck piers are designed to bottom below frost in most areas (30″ 6″ above grade) and have an integral plate cap with 1/2″ threaded hole to receive any number of post bases and beam connections for support of residential wood decks. Typically taking on the order of 2,000 ft-lbs or less to install in stiff clay and dense sands and gravels, these piers are ideal to install using post hole diggers attachment mounted to a common skid steer available from most heavy equipment rental companies. Install typically 20 to 30 piers in a single work day. Piers resist frost heave in cold climates and meet IBC requirements for permanent deep foundations. Drive tool sold seperately. Discounts available for bulk orders.

NOTE: Many items made to order. Bulk discounts available. Contact Magnum representative regarding price and availability.

Additional information

Weight 14 lbs
Dimensions 36 × 10 × 10 in
Shaft Diameter (in)


Wall Gauge (in)


Length (ft)


Max. Install Torque (ft-lbs)


Cap to Torque Ratio (ft-1)


Helix Size (in)




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