5mm x 1/2 Flexible Coupling CNC shaft coupler 5mm x 12.7mm for stepper motor

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Listing is for quantity 1 pc.  Order additional quantity if more than one is desired. 

5mm x 1/2" Coupling, Flexible-beam clamp style, 1" dia x 1 1/8" lg w/ 5mm bore in
one end and 1/2 bore in other end. Blue Anodized aluminum.

Fits NEMA 17 motor shafts. Also recommended for attaching an encoder shaft to a motor.

This is a clamp style coupler and does not require a flatted shaft. The clamp style fit is
more effective than a set screw as it will not mar the motor shaft. Works on round or D-flatted shafts.

The flexible beam corrects for a slight misalignment between the mating shafts,
reducing wear and tear on bearings. Also may help to dampen stepper motor resonance.
The result is a zero backlash connection.  This coupling requires no end machining with 1/2 lead screw.

Max torque = 340 oz-in  If a size other than 5MM ID is needed, the buyer can enlarge the 1/4 end up
to 1/2 inch.  Only the size listed is available for this Ebay item.

Flat Rate shipping via USPS priority mail.  No additional shipping charge for multiple quantity order.