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Mounting Hubs & Shaft Couplers

Mounting hubs and shaft couplers for different size shafts. Connect straight to motors or use these with the shafts we sell for constructing more complex mechanical structures.
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4mm to 6mm Set Screw Shaft Coupler Image

4mm to 6mm Set Screw Shaft Coupler
Aluminum Flex Shaft Coupler - 5mm to 5mm

Aluminum Flex Shaft Coupler - 5mm to 5mm
Aluminum Flex Shaft Coupler - 5mm to 8mm Image

Aluminum Flex Shaft Coupler - 5mm to 8mm
Aluminum Flex Shaft Coupler - 5mm to 10mm

Aluminum Flex Shaft Coupler - 5mm to 10mm
Pololu Universal Aluminum Mounting Hub for 3mm Shaft, M3 Holes (2-Pack) Image

Pololu Universal Aluminum Mounting Hub for 3mm Shaft, M3 Holes (2-Pack)
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Pololu Universal Aluminum Mounting Hub for 4mm Shaft, M3 Holes (2-Pack) Image

Pololu Universal Aluminum Mounting Hub for 4mm Shaft, M3 Holes (2-Pack)
Makeblock Shaft Connector 4mm (Pair) Image

Makeblock Shaft Connector 4mm (Pair)
Pololu Universal Aluminum Mounting Hub for 5mm Shaft, M3 Holes (2-Pack) Image

Pololu Universal Aluminum Mounting Hub for 5mm Shaft, M3 Holes (2-Pack)
Pololu Universal Aluminum Mounting Hub for 6mm Shaft, M3 Holes (2-Pack) Image

Pololu Universal Aluminum Mounting Hub for 6mm Shaft, M3 Holes (2-Pack)
Pololu Universal Aluminum Mounting Hub for 1/4" (6.35mm) Shaft, M3 Holes (2-Pack) Image

Pololu Universal Aluminum Mounting Hub for 1/4" (6.35mm) Shaft, M3 Holes (2-Pack)
Aluminum Flex Shaft Coupler - 4mm to 6mm

Aluminum Flex Shaft Coupler - 4mm to 6mm
ServoCity C1 Spline Servo to 1/4" Shaft Coupler (Set Screw)

ServoCity C1 Spline Servo to 1/4" Shaft Coupler (Set Screw)
ServoCity 24 Tooth Spline Servo to Shaft Coupler (Choose Size)

ServoCity 24 Tooth Spline Servo to Shaft Coupler (Choose Size)
Thin White Wheel for TT DC Gearbox Motors - 65mm Diameter

Thin White Wheel for TT DC Gearbox Motors - 65mm Diameter
Snap-on Hub for TT Motor

Snap-on Hub for TT Motor