... Website:http://www.nbzhencheng.com,Thread Bar,Wooden Screw,Anchor Furniture Screw,Nuts,Washer and Non-standard Parts) If ... BuildingPackaging Details:Small box, carton, pallet, nylon bag, for self drilling screwProduct Description1. Grade: C10222. Size: ST3.5, ST3.9 ... -120mm4. Standard: DIN 5. Certification: ISO9001, CEProduct Name:Self tapping screwMaterial: Carbon steelUsed:building industry machinery