1. Schraubenbolzen ASME SA-193 Grade B7 2-1/4"- 8UNC x 11" L 13 St. (standard code: 1977 ASME SEC III Sum 1977 ADDENDA CLASS 2) 2. Muttern ASME SA-194 Grade 7 2-1/4"- 8UNC 20 St. (standard code: 1977 ASME SEC III Sum 1977 ADDENDA CLASS 2)