کد: 319
M.8
L:2.5cm
Name: Din: 933 , 931 Grade: 5.6
Name: Din: 934 Grade: 5.8 , 8.8 , 10.9
Name: unc - unf 8 خط , 6 خط , 3 خط
Name: 7504p , 7504n , 7504k
