모델 번호
7ft extension length
Product name
square shaft helical piles
Shaft Material
conforms to ASTM A500 GRADE B
Helices material
ASTM A36 Hot rolled plate
Size
available in 2'', 2.5'', 3'' or 4'' square tube
Helical thickness
3/8'' and 1/2''
Corrosion protection
conform to ASTM A153 standard