1.Material : Carbon Steel C1022,Stainless Steel
2.Head Type : Flat Head , Pan Head ,Round Head
3.Drive Type :Phillips , Slotted , Combo phillips&Slot
4.Surface :Black Phos ,Zinc Yellow ,Docormet ,Nickel Plated,Brass Plated
5.Thread Type :AB ,A ,B
6.Packing :Bulk Packing , Small Color Box Packing ,Plastic Bag,DIY
7.Delivery :40 days