Mailbox foundation steel round helical pile

  • Minimum order:1000
  • Place of Origin:中国
Shaft material: Seamless high tensile pipe, conforms to ASTM A500 GRADE B or Customized.
Helices material: ASTM A36 hot rolled plate.
Corrosion protection: ASTM A153, hot dipped zinc coating.
Leading edge of helices beveled 45 degrees.
Greater section modulus strength to resist twisting and deflection.
Greater load capacities.

Better Screw Co.,

Tel: 86-156-28637913