EZ Drive Helical System

foundation repair

EZ Helical
Lead and Extension

Eliminate Pier Distortion
Our cutting-edge EZ Helical Lead and Extension revolutionizes the industry by eradicating the notorious hole “egging” problems and preventing top tube distortion, thanks to its state-of-the-art technological innovations.
Discover Your Choices
The EZ Helical Lead and Extension is available in 3 foot, 5 foot, and 7 foot lengths to suit your specific needs. Our 217 wall, offers an unbeatable combination of cost-effectiveness and enhanced strength, ensuring you get the best value without compromising on durability.

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2

Specifications

  • 2.875-inch Outside Diameter (O.D.) x 0.262-inch wall tube steel, ultimate tensile strength = 58,000 psi (min.), yield tensile strength = 50,000 psi (min.)
  • Torque Strength Rating = 9,000 ft.-lb.
  • Torque Correlation Factor (Kt) = 9 ft-1
  • Connecting Bolts
    0.75-inch diameter Heavy Hex Machine Bolt (SAE J429 ‘ Grade 8)
  • Weld
    E70 ‘ minimum tensile strength = 70,000 psi
  • Ultimate axial capacity based upon installation torque = 100 kips (tension/compression)
  • Allowable axial capacity based upon installation torque = 50 kips (FOS = 2)
  • 3.5-inch O.D. x 0.300-inch wall (ASTM A500, Grade C)
  • 4.0 inches x 8 inches x 1-inch thick plate steel (ASTM A-36)
  • Connecting Bolts
    0.75-inch diameter Heavy Hex Machine Bolt (SAE J429 ‘ Grade 8)
  • Weld
    E70 ‘ minimum tensile strength = 70,000 psi
  • Allowable axial capacity = 50 kips (compression), 44 kips (tension)
  • Allowable capacity with retrofit foundation bracket = 40 kips
  • Bracket Tube
    3.875-inch O.D. x 3.125-inch Inside Diameter (I.D.) x 10-inch long DOM mechanical steel tubing conforming to ASTM 513 ‘ Type 5 / Grade 1026. Ultimate tensile strength = 100,000 psi (min.), yield tensile strength = 90,000 psi (min.)
  • Angle Bracket
    0.5-inch thick flat plate conforming to ASTM A-36 hot rolled steel bent to form a 90 degree angle with equal sides of approximately 8 inches. Ultimate tensile strength = 58,000 psi (min.), yield tensile strength = 36,000 psi (min.)
  • Bracket Support Strap
    0.375-inch thick x 3 inches wide x 21.25 inches flat bar conforming to ASTM A-36 hot rolled steel which is bent into a “horseshoe” shape around the bracket tube. Ultimate tensile strength = 58,000 psi (min.), yield tensile strength = 36,000 psi (min.
  • Top Plate
    0.75-inch thick x 5.5 inches wide x 9.5 inches long conforming to ASTM A-36 hot rolled steel. Ultimate tensile strength = 58,000 psi (min.), yield tensile strength = 36,000 psi (min.)
  • Cap Plate
    1.0-inch thick x 4.0 inches wide x 8.5 inches long conforming to ASTM A-36 hot rolled steel. Ultimate tensile strength = 58,000 psi (min.), yield tensile strength = 36,000 psi (min.)
  • Weld
    E71T1, minimum tensile strength = 71,000 psi ‘ preformed by AWS certified welder
  • Threaded Rod
    0.75-inch diameter x 12 inches long ASTM A311 ‘ Class B / Grade 8 Zinc Plated. Ultimate tensile strength = 150,000 psi, yield tensile strength = 130,000 psi

EZ Helical Lead and Extension Benefits

ELIMINATE PIER DISTORATION

Our cutting-edge Helical Pier Drive Dog Lead revolutionizes the industry by eliminating the notorious hole “egging” problems and preventing top tube distortion, thanks to its state-of-the-art technological innovations.

DISCOVER YOUR CHOICES

QUICK CONNECT

Experience lightning-fast connectivity with our innovative dog feature to the Helical Pile Drive Dog Lead, designed for effortless and seamless integration.

The Helical Pile Dog Lead is available in 3-inch, 5-inch, and 7-inch lengths to suit your specific needs. Our 217 wall, offers an unbeatable combination of cost-effectiveness and enhanced strength, ensuring you get the best value without compromising on durability.

Choose the perfect fit for your needs with our EZ Drive Dog Adapter, available in versatile 2-inch and 2.5-inch Hex sizes. Our adapter seamlessly integrates with our existing helical pier solutions.

foundation repair

Introducing the revolutionary NEW
EZ Drive Helical System

Unlock seamless installation and boost your efficiency by pairing our revolutionary, patent-pending EZ Drive Dog Head Adapter with the cutting-edge EZ Helical Lead and Extension.

Download Product Guide
contact us for more info
1

EZ Drive Dog Adapter Benefits

SELF ALIGNMENT

Our EZ Drive Dog Adapter effortlessly aligns itself, streamlining your operations and conserving valuable time and resources

2-PIECE SYSTEM

Our groundbreaking 2-piece design empowers you to prep the next helical for installation seamlessly, even as you drive

QUICK CONNECT

Experience lightning-fast connectivity with our innovative dog feature to the EZ Helical Lead and Extension, designed for effortless and seamless integration.

See the EZ Drive Helical System In Action

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505 E. Madison
Winterset, IA 50273

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