As one of the leading hex flange head self drilling screw manufacturers and suppliers in China, Zhencheng Machinery deserves your trust. Please feel free to import cheap, low price and customized hex flange head self drilling screw which is one of the famous such brands from our factory.Product instruction:hex head flange self drilling screw drill their own holes when they’re screwed into materials such as wood, plastic and metal. By using a screw driver to attach a self tapping screw, you can create precisely fitted threads. They're ideal for combining two different types of materials or for screwing in areas where access is only one-sided. It’s helpful to use self tapping screw for products that need to be maintained regularly, such as air-conditioning units or canopies, where you need to dissemble and reassemble the item along the same threadsPlace of Origin:Zhejiang, China (Mainland)Brand Name:ZCStandard:DIN Material:Carbon SteelFinish:Blue Zinc PlateSurface treatment:Heat TreatingType: HEX FLANGE HEADColor:Zinc WhitePacking:CartonItem:China FastenerApplication:BuildingPackaging Details:Small box, carton, pallet, nylon bag, for self drilling screwProduct Description1. Grade: C10222. Size: ST4.8, ST5.5,ST6.33. Length:13-120mm4. Standard: DIN 5. Certification: ISO9001, CEProduct Name:Self drilling screwMaterial: Carbon steelUsed:building industry machinery