Round Shaft Helical Piles

• Shaft material: Seamless high tensile pipe, conforms to ASTM A500 GRADE B

• Helices material: ASTM A36 Hot rolled plate

• Corrosion protection conform to ASTM A153 standard for hot dipped zinc coating

• Leading edge of Helices beveled 45 degrees

• Greater Section Modulus Strength to resist Twisting and Deflection

• Specifications
  Shaft Size (inch)	Wall Thick(inch)	Helix Thick(inch)	Lead Length(ft)	Helix Size(inch)	Extension Length (ft)
  2.875 OD.	0.262	3/8 or 1/2	3ft/5ft/7ft/10ft	8/10/12/14	3ft/5ft/7ft/10ft
  3.00 OD.	0.238	3/8 or 1/2	3ft/5ft/7ft/10ft	8/10/12/14	3ft/5ft/7ft/10ft
  3.50 OD.	0.254/0.300	3/8 or 1/2	3ft/5ft/7ft/10ft	8/10/12/14	3ft/5ft/7ft/10ft
  4.50 OD.	0.290/0.337	3/8 or 1/2	5ft/7ft/10ft/12ft	8/10/12/14	3ft/5ft/7ft/10ft
  5.50 OD.	0.362	3/8 or 1/2	5ft/7ft/10ft/12ft	8/10/12/14	3ft/5ft/7ft/10ft
  6.625 OD.	0.562	3/8 or 1/2	5ft/7ft/10ft/12ft	8/10/12/14	3ft/5ft/7ft/10ft

  Notes:OEM service is available, different materials and specifications can be customized according to your demands.