This genuine McCormick part number 3306589M1 is an M12x30mm hexagonal head screw, manufactured to grade 8.8 specifications for high strength and durability. It features an M12 thread diameter with a 1.75mm pitch and a total length of 30mm. This OEM screw is designed for use in a wide range of McCormick X-series agricultural tractors, including models from the X10, X2, X3, X4, X5, X6, X7, X8, X4M, and X5M series, ensuring proper fit and reliable performance in critical applications.