We can manufacture the endless spirals with the outer diameter ranged from 90mm~600mm, inner diameter ranged from 25mm~350mm and blade thickness of 3.5mm, 5.0mm and 6.0mm.
Features: a continuous one-piece helical formed bar, to be cut at any length. They're formed on specialised forming equipment to precise diameter and pitch. Suitable for shaftless applications or to fit onto most pipe size.
Blade thickness------3mm, 3.5mm, 5mm, 6mm
Material: mild steel