// Parts Catalog
SHAFT COUPLER BLACK ZINC — CH1301F
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
CH1301F
Shaft Coupler Black Zinc
Iron shaft coupler with black zinc plated surface finish providing corrosion resistance and a clean dark appearance. Designed to join two torsion shaft sections end-to-end for wider door spans requiring extended shaft runs. Solid iron construction delivers reliable strength and torque transfer across the joint for long-term performance in residential and commercial garage door systems.