These ASME B18.31.2 compliant stud bolts feature full-thread construction from ASTM A193 Grade B7 alloy steel paired with ASTM A194 Grade 2H heavy hex nuts, delivering high-temperature, high-pressure fastening performance for critical applications. The 2-1/2 inch diameter × 447 mm length configuration with dual nut sets ensures secure, uniform clamping load distribution—ideal for pressure vessel joints, heat exchangers, and pipeline flanges in petrochemical, power generation, and oil & gas industries.