3/4" STUDBOLT : STUD SIZE : 3/4" x 135mm Long, 2 Heavy Hex Nut, 2 Washer, STUD : ASTM A193-B7, NUTS : ASTM A194-2H ( Phosphate Coated + PTFE QTY 200 5/8" STUDBOLT STUD SIZE : 5/8" x 135mm Long, 2 Heavy Hex Nut, 2 Washer, STUD : ASTM A193-B7, NUTS : ASTM A194-2H ( Phosphate Coated + PTFE QTY 200 3/8" STUDBOLT STUD SIZE : 3/8" x 100mm Long, 2 Heavy Hex Nut, 2 Washer, STUD : ASTM A193-B7, NUTS : ASTM A194-2H ( Phosphate Coated + PTFE) QTY 200 1/2" STUDBOLT STUD SIZE : 1/2" x 100mm Long, 2 Heavy Hex Nut, 2 Washer, STUD : ASTM A193-B7, NUTS : ASTM A194-2H ( Phosphate Coated + PTFE) QTY 200