A
Anonymous
Mar 25, 2026
Rating: 5/5
Perfect Fit
Works great on my laser engraver setup. Very precise and no vibration.
Description
Encoder 3 4 5 6 6.35 7 8 10 Aluminum Alloy Elastic Engraving Machine Winding Coupling D19 L25
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | Aluminum Alloy |
| Outer Diameter | 19 mm |
| Total Length | 25 mm |
| Shaft Diameter Options | 3, 4, 5, 6, 6.35, 7, 8, 10 mm |
| Coupling Type | Elastic Spiral |
| Surface Treatment | Anodized |
| Max Torque | 5 N·m |
| Weight | 15 grams |
| Application | Engraving Machines, CNC, Stepper Motors |
| Package Includes | 1 x Coupling, Set Screws |
5 reviews
A
Anonymous
Mar 24, 2026
Rating: 4/5
Good Quality
Solid aluminum but screws were a bit tight to install initially.
A
Anonymous
Feb 27, 2026
Rating: 5/5
Excellent Value
Bought multiple sizes all fit perfectly. Great for DIY CNC projects.
A
Anonymous
Feb 15, 2026
Rating: 4/5
As Described
Dimensions match the listing exactly. Good machining quality.
A
Anonymous
Feb 05, 2026
Rating: 5/5
Stable Connection
No wobble during high speed operation. Highly recommend for engraving.
5 FAQ
Q: Does this come with screws?
A: Yes, set screws are included for both sides of the coupling.
Q: Is the bore smooth?
A: Yes, machined for smooth shaft insertion to prevent damage.
Q: What is the return policy?
A: 30 days return policy if the item is unused and in original condition.
Q: Is it suitable for NEMA 17 motors?
A: Yes, it fits 5mm shafts commonly used on NEMA 17 motors.
Q: Can it handle axial misalignment?
A: Yes, the elastic design allows for minor flexibility and misalignment.
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