Description
NEMA 17 Shaft Coupler (5mm to 8mm)
A mechanical joint used to connect the motor to the rest of your physical hardware (like a lead screw or a wheel axle).
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Product Description: Typically a “flexible” jaw coupling. It features spiral cuts milled into the aluminum body, which allow it to bend slightly. This absorbs microscopic misalignments between the motor shaft and the driven rod, preventing binding or vibration.
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Key Specifications: You will generally need a 5mm to 8mm coupler, as the NEMA 17 has a standard 5mm shaft, while most standard threaded rods (like T8 lead screws) are 8mm.
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Price in India: ₹100 to ₹150.
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Visual Identification: A small cylindrical aluminum barrel with spiral grooves cut through the middle section, and two small Allen-key grub screws on either end to clamp onto the shafts.
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