Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material	Aluminum Alloy
Outer Diameter	25 mm
Total Length	30 mm
Bore Size A	5 mm
Bore Size B	8 mm
Rated Torque	5 N.m
Max RPM	4000 RPM
Keyway Type	Standard Keyway
Surface Treatment	Black Anodized
Compatibility	Stepper Motor & Lead Screw

5 reviews

Anonymous

Apr 09, 2026

Rating: 4/5

Works for lead screw

Using this to connect my lead screw to the motor. Holds torque well.

Anonymous

Mar 16, 2026

Rating: 5/5

Perfect fit for my CNC

Works exactly as described. Easy to install on my NEMA 23 motor.

Anonymous

Feb 27, 2026

Rating: 5/5

Fast shipping

Product arrived quickly and was well packaged. No damage.

Anonymous

Feb 17, 2026

Rating: 4/5

Good quality

Solid construction, slightly tighter fit than expected but works well.

Anonymous

Feb 07, 2026

Rating: 5/5

Excellent coupling

Reduced vibration significantly compared to my old rigid coupling.

5 FAQ

Q: Is the keyway pre-cut?

A: Yes, both sides come with standard keyways ready for installation.

Q: What lubricant do you recommend?

A: Standard mechanical grease is sufficient for maintenance.

Q: Does this fit a 6.35mm shaft?

A: No, this model is specifically for 5mm and 8mm bores. Please check our other listings.

Q: Is there a set screw included?

A: Yes, the package includes the necessary set screws for both bores.

Q: Can this handle high temperatures?

A: It is rated for standard operating temperatures up to 80 degrees Celsius.

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