Product Name: Hex Head Self Drilling Screw with EPDM Washer (DIN7504K) Model NO.: DIN7504K Customized: Customized Shape of Head: Hexagon Material: Carbon Steel Size: St4.2, St4.8, St5.5, St6.3 Type: Hexagon Head with Flange Head Style: Hex Flange Head Connection: Common Bolt Grade: 8.8 Trademark: Fast Transport Package: General Export Packing Specification: St4.2, St4.8, St5.5, St6.3 Origin: Shenzhen, China HS Code: 7318 Product Description Hex Head Self Drilling Screw with EPDM washer, Hex flange head self drilling screw, Roofing screw1. Surface treatment: Plain, galvanized, black, hot DIP galvanized, dacromet, nickle, etc.2. Excellent quality control system for fine dimensional accuracy.3. Various materials are available as per your request4. Conform to international standard.5. We had got certificate of ISO9001: 2008, SGS & RoHS.6. prompt delivery.7. Various sizes are available.8. Material: Stainless steel A2 or A4, carbon steel 4.8, 8.8, 12.9, mild steel, brass, etc.9. Packing style: General export packing poly bags and cartons, or according to your requirement.10. Can be made with different standards such as ISO, DIN, AS/NZS, GB, ANSI, BS and special standard.11. Good customer service12. OEM is availableFast Hardware Electronic Co., Limited is a professional manufacturer of all kinds of hardware, such as stainless steel bolt, carbon steel bolt, hex bolt, furniture bolt, slotted bolt, special bolt, eye bolt and anti-theft bolt, self-tapping screw, self-drilling screw, wood screw, furniture screw, stainless steel screw, hex screw, hex nut, nylon nut, special nut, metal stamping part, , lathe part and so on.The photos are taken 100% real shot.