Attributes

Brand	-
Category	Standard Parts, Components & Industrial Consumables / Couplings
Origin	-
Material	304 Stainless Steel
Type	Rigid Shaft Coupling
Model Series	DCQ02 / DCR02
Surface Finish	Polished
Connection Method	Set Screw Clamp
Application	Stepper & Servo Motors
Torque Transmission	High Precision Zero Backlash
Corrosion Resistance	Excellent
Operating Temperature	-20°C to +150°C
Package Contents	1 x Coupling, 2 x Set Screws

6 reviews

Anonymous

Mar 28, 2026

Rating: 5/5

Sturdy and reliable

Used this on a 3D printer upgrade. The stainless steel construction gives me confidence it won't wear out quickly. Installation was straightforward.

Anonymous

Mar 24, 2026

Rating: 5/5

Excellent quality control

Both ends were perfectly aligned. Sometimes cheap couplings have misaligned bores, but this one was perfect right out of the box.

Anonymous

Mar 16, 2026

Rating: 5/5

Zero backlash achieved

I needed a rigid coupling for a high-precision application, and this delivered. No play whatsoever once tightened. Highly recommended for servo setups.

Anonymous

Mar 11, 2026

Rating: 5/5

Perfect fit for my CNC project

The build quality is exceptional. The stainless steel feels very solid and the machining is precise. It connected my stepper motor to the lead screw without any wobble.

Anonymous

Mar 01, 2026

Rating: 4/5

Good value, fast shipping

Works exactly as described. The set screws hold tight. I deducted one star only because the packaging was a bit minimal, but the product itself is great.

Anonymous

Mar 01, 2026

Rating: 4/5

Solid component

Does the job well. The finish is nice and smooth. Make sure you have the correct hex key size for the set screws, which are included.

5 FAQ

Q: What shaft diameters does this specific model support?

A: This listing covers various bore sizes ranging from 3mm to 10mm. Please select your specific diameter combination from the dropdown menu before ordering.

Q: Is this coupling flexible or completely rigid?

A: This is a rigid coupling (GNC type). It provides a solid connection with zero backlash but does not compensate for misalignment. Ensure your motor and load shafts are well-aligned before installation.

Q: Can this be used in a wet environment?

A: Yes, since it is made of 304 Stainless Steel, it offers excellent corrosion resistance and is suitable for environments with occasional moisture exposure.

Q: What is the maximum torque rating for the 5mm to 8mm version?

A: For the 5mm-8mm configuration, the static torque capacity is approximately 15 Nm. We recommend operating within 70% of this limit for dynamic applications to ensure longevity.

Q: Do I need to buy set screws separately?

A: No, the coupling comes complete with the necessary high-strength alloy set screws required for installation.

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