John Deere 19M7139 M8 X 20 Hexagonal Head Cap Screw, 5-Pack is designed for secure fastening in a variety of applications. This hexagonal head screw features a thread length of 16 mm (5/8 in) and an overall length of 20 mm (0.79 in), with a precise thread pitch of 1.25 mm (0.05 in) to ensure a fit. The screw includes a head thickness of 5.45 mm (0.21 in) and a head width of 13 mm (1/2 in), paired with a thread size of 8 mm (5/16 in) to deliver robust performance. Crafted from high-quality general steel, it excellent durability and strength. Additionally, the zinc coating provides corrosion resistance, extending the life of the product and maintaining its reliability over time. Model Number: 19M7139