A
Anonymous
Apr 21, 2026
Rating: 4/5
Fast Shipping
Product is good, arrived quickly. Packaging could be better but the item was undamaged.
Description
Brass coupling connector for extending motor shafts, serving as a durable metal drive component for RC models, aircraft, and cars
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | 304 Stainless Steel |
| Surface Treatment | Polished |
| Rated Torque | 45 Nm |
| Bore Diameter | 6mm to 12mm |
| Overall Length | 75 mm |
| Outer Diameter | 22 mm |
| Net Weight | 135 grams |
| Max Speed | 3500 RPM |
| Fixation Type | Double Set Screws |
| Package Includes | 1 x Coupling, 2 x Keys |
5 reviews
A
Anonymous
Apr 10, 2026
Rating: 5/5
Solid Build
Works great for my lathe project. The stainless steel feels very durable and the set screws hold tight.
A
Anonymous
Mar 20, 2026
Rating: 4/5
Good Value
Nice quality but screws were tight. Needed a good hex key to get them started.
A
Anonymous
Feb 28, 2026
Rating: 5/5
Perfect Fit
Exactly what I needed for motor alignment. The adjustable bore made installation easy.
A
Anonymous
Feb 09, 2026
Rating: 5/5
Durable
Holding up well under high load. No signs of wear after several weeks of continuous use.
5 FAQ
Q: Is the bore diameter adjustable on the fly?
A: Yes, within the specified 6mm to 12mm range using the set screws.
Q: What is the hardness rating of the steel?
A: It is made from standard 304 stainless steel with typical hardness for this grade.
Q: Can it handle shaft misalignment?
A: It is a rigid coupling, so it allows for minimal misalignment. Precise alignment is recommended.
Q: Does this coupling require lubrication?
A: No, it is designed to be maintenance-free under normal operating conditions.
Q: What size hex key is needed for installation?
A: Typically a 2.5mm or 3mm hex key is required for the set screws.
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