John Deere 19M7139 M8 X 20 Hexagonal Head Cap Screw, 10-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 thread pitch of 1.25 mm (0.05 in) to ensure a precise fit. The head thickness measures 5.45 mm (0.21 in) and the head width is 13 mm (1/2 in), with a thread size of 8 mm (5/16 in), providing robust performance. Crafted from high-quality general steel, this screw durability and strength. Its zinc coating helps resist corrosion, extending the product’s life and reliability. Model Number: 19M7139