Feature(may vary by option.)

●Material: Aluminum Alloy(lighter than 45# steel), hardened by heat treatment, and then electroplated. Durable and insulation, make your shaft more stable, easy to install and replace.
●Widely Used:The flange shaft coupling is widely used for shaft connection, which can fix one shaft to a plane and install other parts on the shaft easily.perfect accessories for RC Model motor.
●Easy installation, Comes with a wrench for easy use.
●Inner Diameter: 8mm/0.31 inch, Total Height: 13mm/0.51 inch, Cylinder Outer Diameter: 16mm/0.63 inch, Cylinder Height: 10mm/0.39 inch, Base Diameter: 32mm/1.26 inch, Base Height: 3mm/0.12 inch, Mounting Hole Distance: 24mm/0.94 inch,Four small holes diameter is 4mm/0.15 inch,M4 Fastening Screws
●Package Include: 4pcs 8mm flange shaft coupling, 1pcs M4 Hex Wrench, 8pcs fastening screws

[8mm 4]

[3mm 4]

[6mm 4]

[4mm 4]

[5mm 4]

Description

We have aluminum alloy and 45# steel type, Whats the difference between aluminum alloy type and 45# steel type?
The aluminum alloy is lighter, and the two fixing screws are 90-degree design; the 45# steel type has high hardness, and the two fixing screws are 180-degree design. If the torque is relatively large, it is recommended to buy 45# steel type.
Flange Shaft Coupling, suitable for model shaft connection, perfect accessories for RC Model motor, etc. A special coupler, which can fix one shaft to a plane and install other parts on the shaft easily. Double connection points fasten the coupler tightly.