This genuine McCormick part 011310650 is a high-quality hex head screw, M8x20mm, with a strength class of 8.8 and zinc plating for enhanced corrosion resistance. It is a direct replacement part commonly used in McCormick X10 series tractors, including models X10.25, X10.30, X10.35, X10.40, and X10.50. This essential fastening component ensures secure and reliable performance in demanding agricultural applications. It also cross-references as Case IH part number 011310650.