Item # WA30-9mm-9mm, Helical W Series Aluminum Couplings On Japanese Products Corp.

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).

Unit of Measure

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Specifications

Product Type	N/A Coupling
Series	N/A WA
Material	N/A 7075-T6 Aluminum Alloy
Finish	N/A Clear Anodize
Outside Diameter Designator	N/A 30
Outside Diameter (D)	N/A 30 mm
Length (L)	N/A 30 mm
Bore Diameter	N/A 9.00 mm
Bore Designator	N/A 9 mm
Momentary Dynamic Torque	N/A 4.9 N·m
Torsional Rate	N/A 1.1 degree/N·m
Inertia	N/A 0.60 x 10^-5 kg.cm.sec²
Set Screw	N/A M5 x 0.8
Seating Torque	N/A 4.7 N·m
Center Line	N/A 3.5 mm
Min. Size	N/A 9.00 mm
Max. Size	N/A 12.70 mm
Max. Bore Diameter	N/A 20.00 mm
Bore Depth	N/A 6.85 mm
Features	N/A 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).