The Case IH 129217A1 is a genuine OEM Hex Flange Head Screw, engineered for secure fastening within the transmission systems of a wide range of Case IH agricultural and construction equipment. This high-strength screw features an M12 x 1.75 thread with a 30 mm length and a 10.9 grade, ensuring exceptional durability and reliable performance in demanding operational environments. It is a critical component for maintaining the structural integrity of transmissions in models across the MX, Magnum, Maxxum, Puma, Steiger, and Quadtrac series, as well as various combines and windrowers.