Product overview
The STEAM AK4203 matte-black retaining collar secures the brass pinion on an AK420 motor. Its fixing arrangement extends the effective thread length to provide greater locking force at the pinion connection. The supplied hardware comprises one retaining collar measuring Φ8.5×Φ14.5×6mm and two M3.0×6mm set screws, providing the collar and fastening screws for this motor pinion retention application.
Motors & ESCs



