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 resist twisting and deflection
Greater load capacities
Please ask detailed and specific
questions about Pricing, Minimum Order Quantity, Delivery Timelines etc. Detailed Messages
result in prompt responses.