ainland) Brand Name:ZC Standard:DIN 7982Material:Carbon SteelFinish:Blue Zinc Plate Surface treatment:Heat Treating： Type: PHILLIPS CSK HEAD Color:Zinc White Packing:Carton Item:China Fastener Application:Building Packaging Details:Small box, carton, pallet, nylon bag, for self drilling screwProduct Descripion1. Grade: C1022 2. Size: ST3.5, ST3.9, ST4.2, ST4.8, ST5.5,ST6.33. Length：13-120mm4. Standard: DIN 5. Certification: ISO9001, CEProduct Name:Self tapping screw Material: Carb