this paper introduces analysis on cracks in hexagon socket head bolts of ml35(b) cold heading steel wire rod which is made in hangzhou iron & steel group company.
杭州钢铁集团公司生产的ml35(b)冷镦钢盘条,在镦制内六角螺栓时发生了开裂现象。
hexagon bolts and nuts, hexagon socket head cap screws, thread bar, carriage bolts, nylon lock hex nut, flat washer, fish bolt set, standard fasteners etc.