1.Material :Carbon Steel C1022
2.Head Type :Hex Washer Head , Hex Flange Head ,Hex Cap Head
3.Thread Type :BSD,CSD
4.Surface :Black/Grey Phosphate,ZP/YZP, class3, class4, Magni, Dacromet
5.Drill Point :From #3 to #5
6.Packing : Bulk Packing With 20-25KGS/Carton,Small Box Packing ,Plastic Bag , DIY Packing











