Attributes

Brand	-
Category	Standard Parts, Components & Industrial Consumables / Couplings
Origin	-
Material	High-Grade Aluminum Alloy
Coupling Type	Parallel Line (Oldham) Coupling
Application	Stepper Motor, Servo Motor, Encoder
Feature	Zero Backlash, High Torque Transmission
Misalignment Compensation	Parallel and Angular Misalignment
Surface Treatment	Black Anodized Finish
Mounting Method	Clamping Screw Type
Operating Temperature	-20°C to 80°C
Compatibility	Lead Screws and Linear Guides
Package Includes	1 x Coupler, 4 x Clamping Screws

6 reviews

Anonymous

Mar 28, 2026

Rating: 4/5

Good value, minor finish issue

Works exactly as described for my 3D printer lead screw. There was a tiny scratch on the anodized surface, but it doesn't affect performance at all. Very rigid connection.

Anonymous

Mar 23, 2026

Rating: 5/5

Perfect for my CNC upgrade

This coupling fits perfectly on my NEMA 23 stepper motor. The clamping mechanism is very secure, and I haven't noticed any backlash since installation. Great quality aluminum.

Anonymous

Mar 22, 2026

Rating: 4/5

Solid build quality

The aluminum feels premium and lightweight. Installation was straightforward with the provided hex key. Took off one star because the instructions were just a diagram, but it's intuitive enough.

Anonymous

Mar 17, 2026

Rating: 5/5

Solved my alignment issues

My motor and lead screw were slightly off-center, causing noise with a rigid coupler. This parallel line coupler absorbed the error completely. Silent operation now!

Anonymous

Mar 11, 2026

Rating: 5/5

Robust and reliable

Bought a pack for multiple axes on a custom machine. The torque transmission is smooth, and the set screws hold tight even under vibration. No slipping observed.

Anonymous

Mar 11, 2026

Rating: 5/5

Excellent precision

I use these for encoder connections in a robotics project. The parallel line design handles slight misalignments better than the flexible spider couplers I used before. Highly recommended.

5 FAQ

Q: What is the maximum RPM this coupling can handle?

A: While dependent on specific shaft balance, this aluminum alloy coupler is generally rated for speeds up to 4000 RPM in standard applications.

Q: Can this accommodate a 5mm to 8mm shaft connection?

A: This specific listing is for a fixed bore size. Please check the dropdown menu or product variations to select the correct bore combination for your 5mm and 8mm shafts.

Q: How much parallel misalignment can this coupler compensate for?

A: Typically, this Oldham style coupling can compensate for approximately 0.5mm to 1.0mm of parallel misalignment depending on the specific size model.

Q: Does this come with the hex key needed for installation?

A: Yes, a small hex key is included in the package to tighten the clamping screws.

Q: Is this suitable for high-temperature environments like near an extruder?

A: The operating range is -20°C to 80°C. If your extruder area exceeds 80°C, we recommend using a stainless steel coupling or adding a heat sink barrier.

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