A
Anonymous
Apr 18, 2026
Rating: 5/5
Perfect for CNC
Fit my stepper motor perfectly. Very solid construction and no runout.
Description
Aluminum alloy transmission spider coupling, variable diameter connection for small stepper/servo motor lead screw, claw-type coupling sleeve and pad
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | Aluminum Alloy 6061 |
| Surface Finish | Black Anodized |
| Coupling Type | Jaw Spider |
| Outer Diameter | 25mm |
| Total Length | 30mm |
| Bore Size A | 5mm |
| Bore Size B | 8mm |
| Set Screw | M3 Hex |
| Rated Torque | 5 N·m |
| Weight | 45g |
5 reviews
A
Anonymous
Apr 10, 2026
Rating: 5/5
Reliable
Using it on my 3D printer Z-axis. No issues after weeks of use.
A
Anonymous
Mar 21, 2026
Rating: 5/5
Great Quality
Anodizing is nice and smooth. No play in the coupling after installation.
A
Anonymous
Feb 20, 2026
Rating: 5/5
Fast Shipping
Arrived early and packaged securely. Exactly as described.
A
Anonymous
Feb 10, 2026
Rating: 4/5
Good Value
Works well but set screws were a bit tight to thread initially.
5 FAQ
Q: Is this suitable for Nema 23?
A: Only if the shaft diameter matches the bore size specified.
Q: What is the maximum RPM?
A: This coupling is rated for up to 4000 RPM safely.
Q: Can I return if size is wrong?
A: Yes, please check our return policy within 30 days of purchase.
Q: Do you ship to Canada?
A: Yes, we offer international shipping to Canada and most regions.
Q: Does this include the rubber spider?
A: Yes, the elastomer spider insert is included in the package.
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