Cost-effective option Screw piers and Helical Pier
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 Greater Section Modulus Strength to resist Twisting and Deflection Greater Load Capac
Better Screw [2019-01-10 15:44:50 ]
