John Deere 19M7788 Mower Blade Bolt is a John Deere equipment manufacturer (OEM) part designed to ensure reliable performance and durability. This mower blade bolt features a 12 mm (0.472") thread size with a 1.75 mm (0.069") thread pitch, and it measures 25 mm (0.984") in length. The flange diameter is 26.6 mm (1.047"), and the head height is 11.8 mm (0.465"). Made from high-quality material graded at 10.9, it strength and longevity. The bolt also has an 18 mm (0.709") drive size, making it compatible with various John Deere mower models. For assistance in finding the right John Deere part or accessory, John Deere specialists are available Monday through Friday, 8:00 AM to 5:00 PM EST. Model Number: 19M7788