BLT STUD W/2 HVY HEX NUT; ASSEMBLED; BLT STUD W/2 HVY HEX NUT; ASSEMBLED; COMBINED (IMP SIZE X METRIC LG) SS ASTM A193 GR B8T CL 2/ASTM A194 GR 8MA, 1.5/8"X 345MM BOLT LENGTH 144 pcs. BLT STUD W/2 HVY HEX NUT; ASSEMBLED; COMBINED (IMP SIZE X METRIC LG) SS ASTM A193 GR B8T CL 2/ASTM A194 GR 8MA, 1.7/8"X 395MM BOLT LENGTH 98 pcs. BLT STUD W/2 HVY HEX NUT; ASSEMBLED; COMBINED (IMP SIZE X METRIC LG) SS ASTM A193 GR B8T CL2/ASTM A194 GR 8MA, 1.5/8"X 405MM BOLT LENGTH 64 pcs.