Construction Pile Rotary drilling rig
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 ...
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 ...