1.Head Style: Slotted Hex Washer Head or Torx Hex Wsher Head.

or Phillip+Slotted Hex Washer Head and Phillip Flat Head.or Torx drive Flat

head.

2.The thread : Hi-Lo Thread with Shank Slotted, Sharp point or Nail Point.

3.Coating: Blue Ruspert coating or others special coating.

4.Packing: In small box (100pcs/box) or Bulk carton packed.