









⚙️ Lock in precision, power your projects with confidence!
This 4-piece set of 8mm flange shaft couplings features hardened, electroplated alloy steel construction for superior durability and corrosion resistance. Designed with M4 fastening screws and a mini hex wrench, it offers quick, secure assembly and precise shaft alignment. Compact yet robust, these couplings are ideal for RC models and motor shaft connections, delivering industrial-grade performance in a sleek package.










| Material | Alloy Steel |
| Fastener Type | Flange |
| Thread Size | M 4 |
| Exterior Finish | steel |
| Color | 8mm |
| Metal Type | Aluminum, Alloy Steel, Copper |
| Finish Type | electroplated |
| Drive System | External Hex |
| Brand | Sydien |
| Thread Type | Unified |
| Inside Thread Size | M8 |
| Grade Rating | industrial |
| Thread Style | Metric |
| Thread Class | Class 2A |
| Item Diameter | 8 Millimeters |
| Compatible groove diameter | 3.18 Millimeters |
| Number of Pieces | 4 |
| UPC | 745679813604 |
| Manufacturer | Sydien |
| Item Weight | 3.84 ounces |
| Country of Origin | China |
| Finish | electroplated |
| Cutting Diameter | 8 Millimeters |
| Batteries Included? | No |
| Batteries Required? | No |
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