SHAFTLESS
SPIRALS

SHAFTLESS SPIRALS

Motridal manufactures continuous flighting, also known as shaftless screws or centerless screw, in a large range of thicknesses and diameters.

Produced from a flat bar, in either Carbon, Stainless or wear resistant Steels, for shaftless augers, augers with a high filling ratio or shaft mounted for a complete auger.

The main applications use a single piece of continuous flighting or two helixes coaxially welded together.

 

Dimensions

Diameter (D) 20 ÷ 660 (mm)
Pitch (P) 10 ÷ 1000 (mm)
Thickness (S) 3 ÷ 30 (mm)

Materials

Carbon Steels
FE430B (S275JR / 1.0044), FE510B (S355JR / 1.0045)
Stainless Steels
AISI304 (1.4301), AISI316L (1.4404)

CONTACT US

For information about Motridal products and services, contact us.


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Augers & Flighting Brochure