Place of Origin
Shandong, China
Color
silver, Grey, Customized
Standard
ASTM A500 GRADE B
Product name
Square Bottom Supporting Screw Bar or Tubular Shaft Pile
Helices material
ASTM A36 hot rolled plate
Shaft material
40Cr(ASTM A5140) or 45#(ASTM 1045) steel
Helical lead length
3ft/5ft/7ft/10ft or Customized
Corrosion protection
ASTM A153 hot dipped zinc coating
Helix thick
3/8'' and 1/2''
Extension length
3ft/5ft/7ft/10ft
Helix size
8/10/12/14 inch
Advantage
High quality, easy install, rustproof surface treatment
Usage
Construction foundation
