Applicable to 550/600 level helicopter modification and upgrade, install threaded rod Φ2.5MM, increase the thread depth observation hole. The dazzling color meets the individual requirements, and the structural design meets the stringent flight load requirements and effectively improves flight stability.
Installation note points:
1: Ball-end screw is installed, the effective depth needs to be greater than 1.5 times the diameter.
2: The ball head and ball head buckle need to be installed with zero tolerance and can rotate smoothly. A ball reamer or WD40 lubricant can be used.
550/600 ball head buckle × 4PCS (Φ2.5 × 23.5 × 3.5MM) 0.45g