Product overview
The Wenzhou Xinyue Technology Innovation Co., Ltd. AK4218 AK420 metal dual-push L-arm is an upgrade component for AK400/420 helicopters, designed to improve tail-control precision. Its integral construction is fully CNC-machined from 6061T6 aluminium alloy, with T-shaped reinforcement and multiple mortise-and-tenon joints to meet demanding flight load requirements. Supplied components comprise one T-shaped connecting mount, one U-shaped fixing mount, one metal L-arm, two flanged bearings and one metal ball stud. The fastening hardware includes four M2.5×6mm socket-head cap screws, two M2.5×Φ2.0×6mm partially threaded button-head screws and one M2.0×5mm button-head hex-socket screw.



