Available in 2", 2.5", 3" or 4" square tube
helices thickness are available in 3/8” and 1/2”
Helices material conforms to ASTM A36 hot rolled plate
All helix leading edges sharpened and rock cut and 45 degrees.
Corrosion protection to conform to ASTM A153 standard for hot dipped zinc coating
Square Tube eliminated over torquing concerns associated with pipe style helicals
Efficient torque transfer
Clear visual indicator of torsional deflection
steel screw piles manufacture Foundation Helical Piers/Screw piles/Helical anchor Foundation Helical Piers/Screw piles/Helical anchor Shaft Size Installation Torque Factor (k) Axial Compression Load Limit Ultimate-Limit Tension Strength Useable Torsional Strength Practical Load ...