BBI 847294 Cap Screw, 1/2-13 UNC x 1 in, 3/4 in Hex Drive, Grade 5, Medium Carbon Steel
BBI Cap Screw, UNC, 1/2-13, 1 in Overall Length, Hex Head, 3/4 in Head, Hex Drive, 3/4 in Drive, Fillet Neck, 1/2 in Shank, 120000 psi Tensile, HRC 25-34 Hardness, Medium Carbon Steel, 5, Zinc Plated CR+3