1. Special Screws According to Customer's Drawing
2. Head Type: According to customer's requirement
3. Thread Type: According to Customer's requirement
4. Material: Plastic, Nylon, Steel, Stainless Steel, Brass, Aluminum, Copper
5. Surface: Zinc Plated, Zinc Yellow, Geomet, JS 500, E-Coating, Hot Dipped Galvanized, Nickle, Brass ...