Grade B7 Studs are commonly used in pipe flange connections. Each stud comes with two 2H heavy hex nuts and are sold as a set.
ASTM A193 & A194 Zincplated finish
B7 has similar strength to SAE grade 5 fasteners, however, it is specifically used in high temperature and pressure applications. A Certificate can be requested at the time of ordering.
Thread = 9 TPI