Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material	Aluminum Alloy 6061
Coupling Type	Spider Jaw Coupling
Shaft Diameter	5mm to 20mm Options
Outer Diameter	30mm
Total Length	40mm
Rated Torque	15 N.m
Max Speed	4000 RPM
Surface Finish	Black Anodized
Spider Insert	Polyurethane
Package Weight	120g

5 reviews

Anonymous

Apr 21, 2026

Rating: 5/5

Reduced vibration

Noticed less noise in my setup after installing this coupling compared to the old one.

Anonymous

Apr 15, 2026

Rating: 4/5

Good quality

Solid aluminum, but instructions could be clearer regarding torque specs.

Anonymous

Apr 10, 2026

Rating: 5/5

Fast shipping

Product arrived quickly and was well packaged to prevent damage.

Anonymous

Mar 24, 2026

Rating: 5/5

Perfect for my CNC build

Fit perfectly on my NEMA 23 motor. Very sturdy construction and easy to align.

Anonymous

Mar 20, 2026

Rating: 4/5

Works as expected

Does the job for my lead screw connection without any slipping.

5 FAQ

Q: Is this compatible with NEMA 17 motors?

A: Yes, provided you select the correct shaft diameter option during checkout.

Q: Does the spider insert need lubrication?

A: No, the polyurethane insert is self-lubricating and maintenance-free.

Q: What is the maximum misalignment tolerance?

A: It supports angular, parallel, and axial misalignment within standard limits for spider couplings.

Q: Does this come with set screws?

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

Q: What is the operating temperature range?

A: The coupling performs reliably between -20°C and 80°C.

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