Garage Door Coupling 1-1/4″ Set Screw Shaft Coupler Industrial Door Hardware for Solid Shaft Connection


High-quality galvanized garage door coupling with 1-1/4″ inside diameter and 120mm length. Designed for solid shafts in industrial, commercial, and residential doors, providing precise alignment, smooth torque transmission, and long-lasting performance. OEM customizable.

🏗️ ISO 9001:2015
🧪 ASTM-D1693 Standard
⏱️ 15-25 Days Lead Time
📦 MOQ: 10 Units
Technical Procurement Guide

Garage Door Coupling 1-1/4" Set Screw Shaft Coupler Industrial Door Hardware for Solid Shaft Connection - Advanced Analysis

Garage Door Coupling Set Screw Shaft Coupler with Key Way

Our high-quality garage door coupler is engineered for industrial, commercial, and residential solid shaft applications. Made of high-strength galvanized steel, it features an inside diameter of 1-1/4″ and a length of 120mm, ensuring reliable torque transmission and precise alignment between connected shafts. ⚙️

🔧 Product Overview

This single-piece clamping shaft coupler effectively links two solid shafts to transmit rotational torque with minimal vibration, reduces misalignment, shock loads, edge pressures, and end thrust. The bore is precision-machined for a proper slip fit on the shaft, and set screws provide maximum holding power. Perfect for high-cycle doors and harsh industrial applications. 🛡️

📐 Technical Specifications

Product Name Inside Diameter Length Material Finish Application
Set Screw Shaft Coupler for Industrial Door Hardware 1-1/4″ 120mm Steel Galvanized Solid shaft connection on industrial, commercial, and residential doors

💡 Characteristics of Garage Door Coupler

  • ⚡ Precision Fit – Machined for torque- and vibration-free operation.
  • 🛡️ Rustproof – Galvanized steel resists corrosion and enhances product longevity.
  • 🔧 Heavy Duty – Suitable for industrial, commercial, and domestic applications; easy to install.
  • ⚙️ OEM – Custom configurations available for diameter, length, material, threading, finish, and tolerance.
  • 🔄 Multiple Use – Ideal for solid shaft applications on sectional, overhead, or industrial doors.

🏭 OEM & Customization Expertise

With over 20 years of industrial door hardware experience, our couplings can be fully customized for exact diameter, length, material, threading, finish, and tolerance. Every custom product is designed for maximum performance, safety, and long service life. 🔧

⚙️ Applications and Uses

  • 🏠 Residential sectional & overhead garage doors – smooth, quiet performance.
  • 👷‍♂️ Commercial and industrial doors – engineered for heavy-duty torsion shafts and high-cycle operations.
  • 🚍 High-frequency doors – precise alignment, reduced wear over time.
  • ⚙️ Custom machinery – ensures accurate torque transmission and shaft alignment for specialized industrial applications.

📊 Quality Assurance

Every garage door coupling undergoes strict testing for dimensional accuracy, material integrity, and mechanical performance. Manufactured in ISO-certified facilities, couplings withstand high torque and loads while minimizing shaft wobble and ensuring long-term reliability. 🏅

🌍 Export & Global Expertise

Our OEM shaft couplings are exported worldwide, including the USA, Europe, and Middle East. Professional logistics services ensure clients receive products safely and quickly, supporting efficient market expansion. 🚛

🚀 Key Advantages

  • ✔️ High-strength galvanized steel construction
  • ✔️ Corrosion-resistant for extended lifespan
  • ✔️ Compatible with 1-1/4″ solid shafts
  • ✔️ Fully customizable OEM options
  • ✔️ Ideal for residential, commercial, and industrial doors
  • ✔️ Built with 20+ years of industrial hardware experience

📦 Packaging & Delivery

Each coupler is packed in PE film, carton packaging, and wooden case or pallet as required. We guarantee dependable delivery for both large and small orders worldwide. 📦

🔍 Conclusion

This set screw shaft coupler ensures precise shaft alignment, smooth torque transmission, and long service life. Made from high-quality galvanized steel, it is ideal for industrial, commercial, and residential solid shaft applications. ⚙️🔧

Bulk Source Garage Door Coupling 1-1/4" Set Screw Shaft Coupler Industrial Door Hardware for Solid Shaft Connection

Direct Factory Pricing | OEM/ODM Customization | GRS Certified Materials

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