This manufacturer produces ASTM A193 Grade B8 stainless steel stud bolts paired with ASTM A194 Grade 8 heavy hex nuts. The fasteners measure 1-1/8 inch diameter by 6-3/4 inch length in uncoated finish. Grade B8 provides high tensile strength and excellent corrosion resistance for pressure vessel and flange bolting applications. The heavy hex nuts ensure uniform load distribution and meet matching grade requirements for critical service in petrochemical, power generation, and marine environments.