STUD BOLT 1 1/4" X 6 3/4" (171.45 LG), ASTM A320, L7 W/2 HEX. NUT 1 1/4", ASTM A194, GR 4, 2 WASHER 1 1/4", ASTM F436 180 pc. STUD BOLT 1" X 5 1/4" (133.35 LG), ASTM A320, L7 W/2 HEX. NUT 1", ASTM A194, GR 4, 2 WASHER 1", ASTM F436 576 pc STUD BOLT 1/2" X 2 1/2 (63.50 LG) , ASTM A320, L7 W/2 HEX. NUT 1/2", ASTM A194, GR 4, 2 WASHER 1/2", ASTM F436 112 pc STUD BOLT 5/8" X 3 1/4" (82.55 LG), ASTM A320, L7 W/2 HEX. NUT 5/8", ASTM A194, GR 4, 2 WASHER 5/8", ASTM F436 120 STUD BOLT 5/8" X 3 1/2" (88.90 LG), ASTM A320, L7 W/2 HEX. NUT 5/8", ASTM A194, GR 4, 2 WASHER 5/8", ASTM F436 224 pc