A
Anonymous
Apr 09, 2026
Rating: 4/5
Reliable Component
Good for my laser engraver setup. Wish it came with an extra set of screws just in case.
Description
Spider coupling, star type, high-torque, for leadscrew engraving machine, servo motor, elastic encoder, aluminum alloy shaft coupler
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | Aluminum Alloy |
| Elastic Component | Polyurethane Rubber |
| Bore Diameter Options | 5mm, 6mm, 8mm, 10mm |
| Outer Diameter | 25 mm |
| Total Length | 30 mm |
| Rated Torque | 5 N·m |
| Maximum Speed | 4000 RPM |
| Weight | 45 g |
| Surface Finish | Black Anodized |
| Included Hardware | 4 Set Screws |
5 reviews
A
Anonymous
Apr 04, 2026
Rating: 5/5
Reduced Vibration
Excellent damping properties. My engraving results are smoother since installing this coupling.
A
Anonymous
Mar 29, 2026
Rating: 5/5
Perfect for CNC Router
Works great on my NEMA 23 motor setup. The vibration is noticeably reduced compared to my old rigid coupling.
A
Anonymous
Mar 16, 2026
Rating: 4/5
Good Quality Build
Solid aluminum build and the elastomer feels durable. Took a bit of effort to align perfectly but works well now.
A
Anonymous
Feb 14, 2026
Rating: 5/5
Accurate Specifications
Dimensions matched my calipers exactly. Fast shipping and well packaged.
5 FAQ
Q: Is lubrication required for maintenance?
A: No, this coupling is maintenance-free and does not require lubrication.
Q: Does this coupling fit an 8mm motor shaft?
A: Yes, we offer bore sizes including 8mm. Please select the specific size combination at checkout.
Q: What is the operating temperature range?
A: The polyurethane element works best between -20°C and 60°C for optimal performance.
Q: Can it handle speeds above 3000 RPM?
A: Yes, it is rated safely up to 4000 RPM.
Q: Are set screws included in the package?
A: Yes, four set screws are included to secure the coupling to both shafts.
![[M2-M20] Stainless Steel Spring Washer](https://www.gosteppe.com/cache/medium/product/16306/legacy-main-ef3d2dba3bde669d48e6cca2.webp)
