... )Material:general carbon steel 3)Mechanical properties:GB/T10433, DIN, EN ISO,AN 1) High strength types of bolts and nuts use: Apply ... qualitytechnical requirements,carry out "o" defect management, ensure the products of our company are quality,realiby,safety. 3) specifications and packing ... 20 days after receiving the LC or TT prepay 44 Mechanical properties: according to GB/T 10433, DIN, EN ISO, ANSI ...