QB Electrical
EMT Set Screw Coupling ECP
Steel Set-Screw EMT Couplings
*½" to 4" Trade Sizes | Commercial-Grade | Plain Finish*
Key Features
✔ Full Size Range – 9 standard sizes (½" to 4") for any EMT application
✔ Industrial Strength – Solid steel construction
✔ Secure Connection – Set-screw design prevents slippage
✔ Complete Assembly – Includes integrated clamp
Technical Specifications
-
Material: Heavy-duty steel
-
Finish: Plain gray (unplated)
-
Type: Rigid EMT coupling
-
Connection: Set-screw
-
Application: Commercial/industrial
Size Options & Dimensions
| Trade Size | Max. EMT OD | Typical Use Case |
|---|---|---|
| ½" | 0.706" | Lighting circuits |
| ¾" | 0.922" | Branch wiring |
| 1" | 1.163" | |
| 1¼" | 1.540" | Commercial feeders |
| 1½" | 1.740" | |
| 2" | 2.197" | Industrial mains |
| 2½" | 2.875" | |
| 3" | 3.500" | Heavy-duty raceways |
| 3½" | 4.000" | |
| 4" | 4.500" | High-capacity distribution |
Why Professionals Choose This Coupling
-
No-Slip Grip: Serrated teeth bite into conduit
-
Vibration-Resistant: Steel-on-steel contact
-
Universal Compatibility: Works with all EMT brands
Installation Note:
For optimal performance, tighten set screws to 25 in-lbs torque.
ECP-641
- Low stock
Quantity
Product Information
Product Details
QB Electrical
EMT Set Screw Coupling ECPECP-641
Steel Set-Screw EMT Couplings
*½" to 4" Trade Sizes | Commercial-Grade | Plain Finish*
Key Features
✔ Full Size Range – 9 standard sizes (½" to 4") for any EMT application
✔ Industrial Strength – Solid steel construction
✔ Secure Connection – Set-screw design prevents slippage
✔ Complete Assembly – Includes integrated clamp
Technical Specifications
-
Material: Heavy-duty steel
-
Finish: Plain gray (unplated)
-
Type: Rigid EMT coupling
-
Connection: Set-screw
-
Application: Commercial/industrial
Size Options & Dimensions
| Trade Size | Max. EMT OD | Typical Use Case |
|---|---|---|
| ½" | 0.706" | Lighting circuits |
| ¾" | 0.922" | Branch wiring |
| 1" | 1.163" | |
| 1¼" | 1.540" | Commercial feeders |
| 1½" | 1.740" | |
| 2" | 2.197" | Industrial mains |
| 2½" | 2.875" | |
| 3" | 3.500" | Heavy-duty raceways |
| 3½" | 4.000" | |
| 4" | 4.500" | High-capacity distribution |
Why Professionals Choose This Coupling
-
No-Slip Grip: Serrated teeth bite into conduit
-
Vibration-Resistant: Steel-on-steel contact
-
Universal Compatibility: Works with all EMT brands
Installation Note:
For optimal performance, tighten set screws to 25 in-lbs torque.
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