ASTM A193 Grade B7 Hex Head Bolt is a high-strength fastener manufactured from heat-treated alloy steel, designed to withstand high pressure and elevated temperature environments. These bolts are commonly used in oil & gas, petrochemical, power generation, and heavy engineering industries. Known for their durability, corrosion resistance, and tensile strength, they provide reliable fa... ASTM A193 grad e B7 Hex Head Bolt