Shaft material | Seamless high tensile pipe, conforms to ASTM A500 GRADE B |
Helices material | AASTM A36 Hot rolled plate |
Corrosion protection | ASTM A153 |
Shaft material: Seamless high tensile pipe, conforms to ASTM A500 GRADE B
Helices material:Â ASTM A36Â 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 resist Twisting and Deflection
Greater Load Capacities