Your Reliable Garage Door Shaft Coupler Manufacturer
KOP DOOR high-quality garage door shaft couplers securely connect your torsion shafts (solid or hollow) for smooth, stable power transmission and reliable door performance. Available in strong steel, heavy-duty options, and corrosion-resistant versions ( Cast aluminum / Galvanized solid steel/Carbon steel & stainless steel), suitable for 1″ and 1-1/4″ shafts with or without keyway.
No matter for residential installations, commercial projects, we provide tailor made solutions: powder coating, company logo marking, unique packaging, and precision-machined set screws for maximum holding power.
We provide various molds and production lines for meeting your market standards.
Garage Door Shaft Coupler
- Model：KHT16
- 1”/ 1-1/4”Keyed Solid Shafts
- 8’6”, 10’6”and 19” length available
- Model: KHT19
- Cast lron Couplers
- 1/4″ Keyway, 1″ and 1-1/4″ available
Customization to Strengthen Your Brand
KOP DOOR offers fully customized garage door shaft couplers to strengthen your brand. Beyond standard black or silver finishes, we provide custom powder coating colors, surface marking with your company information, and individual protective packaging.
Variety Production Line for Your Market
KOP DOOR operates 3 state-of-the-art automated production lines dedicated to garage door shaft couplers, with an annual capacity exceeding 200,000 units. Our manufacturing process combines precision CNC machining, advanced heat treatment, and strict quality control at every stage.
This highly efficient and professional production system allows us to maintain strict tolerances and deliver a stable, high-volume supply even during peak seasons.
You will get a 5-year warranty on our shaft couplers.
We have no strict MOQ for standard couplers, and the delivery time is around 10 days for normal types.
We manufacture 1’’ (25.4mm) and 1-1/4’’ (31.75mm) inside diameter couplers for our American and European markets.
Yes, we can offer a customized package of company information for your business.
We have the galvanized, zinc and powder coating(with different colors) for your different projects.