Helical W Series Flexible Aluminum Couplings combine the best features of the A Series and the H Series with the convenience of metric dimensions and fasteners for your metric based designs.

Helical W Series Flexible Aluminum Couplings feature metric dimensions and fasteners. Helical W Series Flexible Aluminum Couplings are available with metric bores, and are a relief of standard bores.

Helical W Series Flexible Aluminum Couplings can be used in a wide range of applications from driving components with light torque requirements, such as encoders and tachometers (Aluminum Alloy), to lead screws and pumps requiring greater torque (Stainless Steel).