Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material	Aluminum Alloy & Rubber
Outer Diameter	25 mm
Total Length	30 mm
Bore Diameter Options	5mm, 6mm, 8mm
Rated Torque	5 N·m
Max Rotation Speed	4000 RPM
Operating Temperature	-20°C to 80°C
Surface Treatment	Black Anodized
Package Includes	1 x Coupling, Set Screws
Compatibility	NEMA 17 Stepper Motors

5 reviews

Anonymous

Apr 07, 2026

Rating: 5/5

Reliable

Using these for all our test rigs now. Very consistent quality.

Anonymous

Mar 18, 2026

Rating: 5/5

Quick Delivery

Arrived early and matches description exactly. Happy customer.

Anonymous

Mar 01, 2026

Rating: 5/5

Smooth Operation

Reduced vibration noticeably on my encoder setup.

Anonymous

Feb 10, 2026

Rating: 4/5

Good Value

Solid build but screws were a bit tight to install initially.

Anonymous

Jan 28, 2026

Rating: 5/5

Great Fit

Works perfectly on my Ender 3 Pro. No more wobbling during prints.

5 FAQ

Q: Is it flexible?

A: Yes, the elastic element allows for minor misalignment.

Q: Will this fit a 6mm shaft?

A: Yes, please select the 6mm bore option at checkout.

Q: Can I use it for a fan motor?

A: Yes, it is suitable for small motors and encoders.

Q: Does it come with screws?

A: Yes, set screws are included in the package.

Q: What is the return window?

A: We accept returns within 30 days of purchase.

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