کد: 340
D.5-3cm
Name: Din: Grade: 8.8
Name: unc - unf 8 خط , 6 خط , 3 خط
Name: Din: 933 , 931 Grade: 8.8 , 10.9 , 12.9
Name: Din: 934 Grade: 5.8 , 8.8 , 10.9
