Steam 550 feathering shaft

Product description:
Suitable for Miao 550 helicopter model, using high hardness carbon steel CNC fine grinding processing, one package.

 Product Specifications:

Horizontal axis × 1 (Φ8×Φ6×86mm) M4
cup head Allen screw ×2 (M4×10mm).

Φ4垫片(Φ4×12×1MM×2