Pan Head Self Tapping Screws-
Thread Type: Type A, Type b, Type AB, Type C, Type 1, Type 17, Type 25, Type BP, Type F, Type G, Type U, Sharp Point, Blunt Point, Type S Single Lead, Type 2A, Twinfast Type S (Double Lead), Hi-Lo Point.
Coating: Zinc Plated Cr+6 , Zinc Plated Cr+3, Zinc Yellow Cr+3, Zinc Yellow Cr+6, Grey Phosphated, Black Phosphated, Ruspert 500HRS, Ruspert 1000HRS, Ruspert 1500HRS, Class 3, Class 4, Other Special Coating, Nickel Plated.