Double Pass Brass Universal Adapter Coupling 3mm x 4mm
![Stepper shaft coupler 3mm to 4mm brass connector]()
![Brass motor coupling adapter 3mm x 4mm side view]()
![Close-up of rigid brass 3mm to 4mm shaft coupler]()
![dual diameter mechanical adapter for torque transfer]()
![Stepper shaft coupler 3mm to 4mm brass connector]()
![Brass motor coupling adapter 3mm x 4mm side view]()
![Close-up of rigid brass 3mm to 4mm shaft coupler]()
![dual diameter mechanical adapter for torque transfer]()
In addition, the stepper shaft coupler uses M3 securing screws to lock both shafts firmly in place, reducing slip during motion. Its machined brass body provides long-term durability, making it ideal for robotics, RC propulsion stages, and small mechanical assemblies. Overall, the stepper shaft coupler maintains consistent torque where a compact motor coupling setup is needed.
![precision lightweight gear for mini machines]()
![small dc motor gear for transmission models]()
-40%
Double Pass Brass Universal Adapter Coupling 3mm x 4mm
Available:In Stock
- Product SKU: LGRO076
₹ 59
₹ 99
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Warehouse Details:
Specification
Description
Double Pass Brass Universal Adapter Coupling 3mm × 4mm – Stepper Shaft Coupler
The stepper shaft coupler offers a reliable way to join shafts of different diameters while ensuring smooth torque delivery. This brass design supports compact mechanical systems that benefit from stable motor coupling performance. Because it transfers rotation efficiently, it also works well in projects that require secure electric motor shaft coupling alignment.In addition, the stepper shaft coupler uses M3 securing screws to lock both shafts firmly in place, reducing slip during motion. Its machined brass body provides long-term durability, making it ideal for robotics, RC propulsion stages, and small mechanical assemblies. Overall, the stepper shaft coupler maintains consistent torque where a compact motor coupling setup is needed.
Technical Details
- Material: Brass
- Bore Sizes: 3mm and 4mm
- Overall Length: 20 mm
- Outer Diameter: 9 mm
- Locking Hardware: M3 securing screws (4 pcs)
- Coupler Category: Rigid sleeve adapter
- Weight: 8 g
- Color: Brass gold tone
Features
- Transitions 3mm shafts to 4mm components with a stable stepper shaft coupler
- Firm torsional connection for smooth rotation in motor coupling systems
- Machined brass resists oxidation for dependable electric motor shaft coupling tasks
- Four-point clamp system enhances grip and accuracy
- Compact structure fits tight mechanical layouts
Applications
- Micro robotic drivetrain upgrades using a stepper shaft coupler
- RC shaft diameter transitions requiring stable motor coupling
- Prototype alignment systems needing secure electric motor shaft coupling
- Miniature gear and pulley conversions
- Light torque equipment and instrumentation
Physical Attributes
- Component Length: 20 mm
- Sleeve Diameter: 9 mm
- Bore Interfaces: 3 mm and 4 mm
- Screw Thread Standard: M3
- Included Screws: 4 pcs
- Total Mass: 8 g
- Body Form: Solid rigid cylinder
- Surface Finish: Precision-machined brass
Package Includes
- 1 × Double Pass Brass Coupling (3mm × 4mm)
- 4 × M3 Securing Screws
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