Description
Product Description Grade 8 bolts have a hexagonal head for use with a wrench. These bolts are heavy-duty flange fasteners for military, aerospace, or marine metal-to-metal connections. These bolts can withstand high stress and strong load-bearing pressures. These flange bolts come in a black oxide finish for corrosion resistance in dry environments. They can also be phosphate and oil-treated to prohibit rust in dry environments