Set of 4 3.17mm Aluminum Propeller Adapters for Electric Motor Speed ​​Controller, Electric Motor Accessories (3.17mm Opening and 5mm Output Shaft)

Motor shaft adapter for 3.17mm diameter shaft and 5mm diameter hole propeller, excellent model airplane parts.

Suitable for brush motors and speed controllers.

Installation Tip: 1. Remove the propeller clamp, put the lower threaded part on the motor shaft, then put the middle part, pay attention to the side with the anti-slip pattern outward. 2. Put on the propeller, screw the last part, insert the steel wire into the small hole of the last part and tighten it clockwise.

Made of high quality aluminum, it is durable.

Please choose the appropriate size according to your motor shaft diameter.