... :A2-70,A4-70,carbon steel4.8-10.9,B7 3.DIN975,DIN976 or customizing 4.Certificate:ISO,SGS threaded rod ... .1620.3318.5418.89M24*3.0023.5823.9521.82219.8620.27M27*3.0026.5826.9524.82522.8623.27M30*3.5029.5229.9527.4627 ... .6725.1925.65M33*3.5032.5232.9530 ...