John Deere 19H1900 5/16" X 3/4" Hexagonal Head Cap Screw, 5-Pack is designed for secure fastening in various applications. This hexagonal head screw measures 19.05 mm (3/4 in) in length with a thread length of 15.52 mm (0.61 in), featuring a 7.92 mm (5/16 in) diameter and UNC2A thread to ensure robust connections. The head height of 5.36 mm (0.21 in) and width across flats of 12.70 mm (1/2 in) provide a reliable fit and easy installation. Made from high-quality general steel, it durability and strength, while the zinc finish delivers excellent corrosion resistance and longevity. Model Number: 19H1900