Tarot Φ2.5MM Ball Head Buckle is suitable for 550/600 level helicopter modification and upgrade, installation of threaded rod Φ2.5MM, increased 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.
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 x 4PCS (Φ2.5 x 23.5 x 3.5MM) 0.45g