Place of Origin
Shandong, China
Diameter
2-3/8'', 2-7/8'', 3''
Shaft Material
ASTM A500 GRADE B
Helix Material
ASTM A36 Hot rolled plate
Corrosion Protection
ASTM A153 standard for hot dipped zinc coating
Surface Treatment
Plain, hot dipped galvanized
Size
2-3/8'', 2-7/8'', 3'' etc
Length
5ft, 7ft, 10ft etc
Shaft Thickness
0.203'', 0.238'', 0.254'' etc
Helix Thickness
3/8'' or 1/2''