MAGNUM® MP1017-3 Tie-Back Bracket

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8″ x 21″ x 3/8″ Plate with (18) 9/16″ Thru Holes & Gusseted Bearing Plate

Data Sheet

SKU: MP1017-3_ Category:


The Magnum MP1017-3 tie-back bracket has 32 tons maximum ultimate capacity, 16 tons working capacity in tension. The bracket consists of a plate and two gussets for connection to Magnum helical piles and (18) thru holes for attachment to existing concrete using expansion anchors. The bracket is designed in accordance with ICC-ES document AC358 as well as IBC, ACI, and AISC codes. Design and detailing of the connection to the structure varies by project and is the responsibility of registered design professional including maximum concrete span, anchor spacing, concrete shear, and concrete bearing.

Installation Notes:
Prepare the existing foundation. Install the helical anchor to the correct depth and torque. Install a Magnum MHC1080-3 pile cap on the anchor. Mount the bracket by sliding down over the thread bar into position. Secure
to the anchor and post-tension as required for the project. Use spherical or wedge washer if anchor is not exactly perpendicular to bearing plate.

All Magnum Products Made in U.S.A.
U.S. Patents 6,058,662 and 5,234,287; Other Patents Pending.

Additional information

Weight 1 lbs
Dimensions 1 × 1 × 1 in
Fits Pile Shaft Designation

MH313, MH313R, MH3521, MH3521R, MH325, MH325R

Bearing Plate

ASTM A36 w/ 1-1/2 in. Slotted Hole


8" x 21" x 3/8" Plate with (18) 9/16" Thru Holes for 1/2" Expansion Anchors

Pile Connection

MHC1080-3B, MHC1080-3BR or MHC1080-35B Anchor Caps (not shown)

Bracket Type

Tie Back

Allowable Tensile Capacity (tons)


Allow. Comp. Capacity (tons)





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