... (#6~#14) Description: Stainless Steel CSK Screw Brand NameGWOriginal of PlaceShanghai,ChinaMaterialCarbon Steel, Stainless Steel 304, Stainless Steel316, Alloy Steel Copper and so on.Production ... →Backspin→Threadind Rolling→Heat treatment→Surface treatmentSurface TreatmentPlain, Black oxidized, Zinc Plated (white, yellow, blue),Hot Dip Galvanized, Dacromet, ChromePacking Method25kg per ...