// Parts Catalog
SHAFT COUPLER BLACK ZINC — CH1301G
Iron shaft coupler with black zinc plated finish. Connects torsion shaft sections for extended-width door installations.
Specifications
| Type | Shaft Coupler |
| Material | Iron |
| Surface | Black zinc plated |
| Application | Connects torsion shaft sections |
Spring & Shaft Series
CH1301G
Shaft Coupler Black Zinc
Iron shaft coupler with black zinc plated surface finish for reliable corrosion resistance and a professional dark finish. Connects two torsion shaft sections end-to-end for wider door spans requiring extended shaft runs. Iron construction ensures the rigidity needed for effective torque transfer across the coupling joint in both residential and commercial garage door applications.