The John Deere SU40525 is a genuine OEM round head square neck bolt, designed for robust and reliable fastening in various John Deere agricultural and construction equipment. This high-quality bolt features an M16 x 75 mm thread, ensuring a precise fit and strong connection. Its round head and square neck design prevent rotation when tightened, providing enhanced security and durability in demanding applications. Manufactured to John Deere's stringent specifications, the SU40525 bolt is essential for maintaining the integrity and performance of your machinery.