This 1/2" UNC x 70mm Stud Bolt Assembly is precision-manufactured to meet ASTM A193 Grade B7 standards and is supplied complete with two ASTM A194 Grade 2H heavy hex nuts. Engineered for high-pressure, high-temperature bolting applications, this fully threaded stud bolt is widely used in critical flange connections across the oil & gas, petrochemical, power generation, and industrial processing sectors.
🔧 Key Features:
Stud Size: 1/2" diameter x 87mm length
Thread Type: UNC (Unified National Coarse)
Bolt Material: ASTM A193 Grade B7 – Quenched and tempered alloy steel for high tensile strength
Nut Material: ASTM A194 Grade 2H – Heavy hex carbon steel, heat-treated for durability
Finish: Plain (black oxide or other coatings available upon request)
Complete Assembly: Includes 1x B7 stud bolt + 2x 2H heavy hex nuts
Certification: EN 10204 3.1 material certification available upon request
