说明

• Product Name: Metal Shaft Coupling Accessories Brass Couplings Parts Dimension: 8.7mm diameter at either ends of the go section, 7.3mm diameter in the center of the pass section, whole length 20mm.Screw hole: M3Model description:Example: 5mm to 6mm: both ends of the aperture that's 5mm and 6mm respectively.Through-hole, join 2 diverse diameters of optical shaft, also can join the motor and a light-weight shaft, or connect various diameters of the shaft. Can do either the filament rod also can do the mannequin handheld remote control boat energy paddle rotating shaft and motor between the transmission parts.Each coupling is distributed four M3 machine meter screws. A wrench is given with each order. Pack Quantity:1Pcs

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