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  • Metric dimensions and fasteners.
  • Available in 7075-T6 aluminum alloy or 17-4 PH corrosion- resistant steel.
  • General purpose
If you are working in the metric world, the W Series is for you. It combines the best features of the A Series and the H Series, with the convenience of metric dimensions and fasteners for your metric based designs. The W Series can be used in a wide range of applications from driving components with light torque requirements, such as encoders and tachometers (aluminum), to lead screws and pumps requiring greater torque (stainless steel).
Helical W Series Aluminum Couplings
Unit of Measure
Items Helical W Series Aluminum Couplings
WAC15-3mm-3mm
Helical W Series Aluminum Couplings
Helical W Series Aluminum Couplings
WAC15-4mm-3mm
Helical W Series Aluminum Couplings
Helical W Series Aluminum Couplings
WAC15-4mm-4mm
Helical W Series Aluminum Couplings
Helical W Series Aluminum Couplings
WAC15-5mm-3mm
Helical W Series Aluminum Couplings
Helical W Series Aluminum Couplings
WAC15-5mm-4mm
Helical W Series Aluminum Couplings
Product Type N/A Coupling
Series N/A WAC
Material N/A 7075-T6 Aluminum Alloy
Finish N/A Clear Anodize
Outside Diameter Designator N/A 15
Outside Diameter (D) N/A 15 mm
Length (L) N/A 22 mm
Bore Diameter N/A 3.00 mm N/A 4.00 mm N/A 4.00 mm N/A 5.00 mm N/A 5.00 mm
Bore Designator N/A 3 mm N/A 4 mm N/A 4 mm N/A 5 mm N/A 5 mm
Momentary Dynamic Torque N/A 0.71 N·m N/A 0.66 N·m N/A 0.66 N·m N/A 0.59 N·m N/A 0.59 N·m
Torsional Rate N/A 5.1 degree/N·m N/A 7.2 degree/N·m N/A 7.2 degree/N·m N/A 10.0 degree/N·m N/A 10.0 degree/N·m
Inertia N/A 0.028 x 10-5 kg.cm.sec2
Set Screw N/A M2 x 0.4
Seating Torque N/A 0.5 N·m
Center Line N/A 2.5 mm
Min. Size N/A 3.00 mm
Max. Size N/A 5.00 mm
Max. Bore Diameter N/A 7.30 mm
Bore Depth N/A 6.00 mm
Shaft N/A
Max. Torque N/A
Additional Information N/A
Additional-Information

Attachment Methods

Internal Configuration

Ordering Information-W Series
Customize N/A Custom Designs