The Fourier FDH-6 is a six-degree-of-freedom dexterous hand weighing 515 g, constructed from aluminum alloy and copper alloy. It delivers 0.5 mm fingertip positioning accuracy and maintains stable performance over 300,000 cycles under continuous 24/7 operation. Bionic mechanics and precision mechatronics replicate human dexterity through six active DOF, with silicone pads providing a stable and secure grip for both delicate grasping and high-intensity handling. A complete SDK with host-side support enables plug-and-play deployment. Through optimized structural design and efficient production, it achieves flagship-level dexterity at an accessible price point. It targets research, industrial manufacturing, and intelligent service applications.