Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material	Brass
Shaft Diameter	3mm
Outer Diameter	8mm
Overall Length	25mm
Coupling Style	Rigid Clamp
Surface Finish	Polished
Item Weight	12 grams
Screw Size	M2 Set Screws
Application	Robotics, CNC
Pack Size	1 Unit

5 reviews

Anonymous

Apr 21, 2026

Rating: 5/5

Exactly as described

Fast shipping and item matches description perfectly. No issues.

Anonymous

Apr 18, 2026

Rating: 5/5

Perfect Fit

Works great for my 3mm motor shaft. Very sturdy and easy to install.

Anonymous

Apr 03, 2026

Rating: 5/5

Great for DIY

Using this for a small robot arm. No slip during operation.

Anonymous

Mar 24, 2026

Rating: 5/5

Good Quality

Brass feels solid. Screws held tight under moderate load.

Anonymous

Mar 21, 2026

Rating: 4/5

Good but tight

Had to file the inside slightly for a smooth fit. Otherwise good product.

5 FAQ

Q: Can I return it?

A: Yes, standard return policy applies if unused.

Q: Is it suitable for steel shafts?

A: Yes, it works securely with steel shafts of 3mm diameter.

Q: Is it solid brass?

A: Yes, it is made from solid brass material.

Q: What is the max RPM?

A: Recommended for low to moderate RPM applications only.

Q: Does it come with screws?

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

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