The John Deere M148657 is a genuine OEM carriage bolt designed for secure fastening in a wide range of John Deere agricultural, lawn, and utility equipment. This durable steel bolt features a 5/16-18 UNC thread, a nominal length of 31.75 mm (1.25 inches), and a nominal diameter of 7.9 mm (0.31 inches). Its distinctive carriage head provides a smooth, low-profile finish, making it ideal for applications requiring a flush surface and resistance to turning. Essential for maintenance and repairs, ensuring proper fit and performance across numerous John Deere models.