
CNC-Machined Drone Heat Sink Fin Assembly
This high-efficiency UAV cooling fin, using CNC-machined AL6061 or AL6063 aluminum. The superior thermal management part for UAV and commercial drone electronics. Featuring a finely structured UAV cooling fin array, this component provides increased surface area for passive heat dissipation, ensuring optimal temperature control in compact drone environments.
The fin geometry is precisely milled using high-speed CNC machining, allowing for tight tolerance flatness (±0.02 mm) and excellent contact. Also it is with heat-generating modules such as ESCs, power converters, flight controllers, or RF systems. The robust construction makes it suitable for payload drones, fixed-wing UAVs, multirotor platforms, and long-endurance aerial systems.
To enhance reliability in outdoor or demanding operational environments, the surface is treated with either electroless nickel plating or hard anodizing. Nickel plating provides excellent resistance to moisture and corrosion. More while, anodizing offers a lightweight, non-conductive, and UV-resistant surface—ideal for field-deployed UAVs operating in variable climates.
This thermal solution is part of a broader range of CTT cooling modules. And engineered to support drone manufacturers seeking compact, lightweight, and durable components for thermal control systems. Whether integrated into a drone’s main cooling plate or used as a standalone module for individual electronics, this heat sink ensures stable performance and extended component lifespan.
UAV cooling fin & heat sink
Material: AL6061 / AL6063
Surface Finish: Electroless nickel plating / Hard anodizing
Precision: ±0.02 mm (flatness)
Size: 100 × 60 × 25 mm
Application: Drone cooling module / UAV electronic heat dissipation
To view more articles including the applications in the field of aerial drones and commercial UAVs as below. And please visit our product showcase or contact our team for custom-tailored solutions.



