1)DIN standard:
7504P: Cross recessed flat head
7504N: Cross recessed pan head
7504K: Hexagon head
7504L: Hexagon head with slotted
7971:Pan head tapping screw with slot
7972:Flat head tapping screw with slot
7973:Oval head tapping screw with slot
7981:Cross recessed pan head tapping screw
7982:Cross recessed raised countersunk head tapping screw
7983:Cross recessed oval head tapping screw
2)Material: carbon steel, stainless steel
3)Surface treatment: zinc plated,
4)Package: bulk in carton,then pallet(normal packing)
plastic bag with paper lable, small box, carton, pallets(special packing)
Any questions,pls feel free let us know,we will try our best to assist you
We trust depend on our low price,high quality,good service and fast delivery,we are able to have a long distance cooperation.
Self-tapping screw