Stud bolts in stainless steel EN 10269 GR 20CrMoVTiB4-10 11/4" X 235 mm With 2 heavy hexagon nuts ASME B 18.2.1/18.2.2 (thread as per ASME b1.1 CL 2A/2B) 52 pcs. Stud bolts ASTM A453 Gr 660 CL C 11/4" X 235 mm With 2 heavy hexagon nuts ASME B18.2.1/18.2.2 (thread as per ASME B1.1 CL 2A/2B 8-UN) 36 pcs.