Product instruction：hex head flange self drilling screw drill their own holes when they’re screwed into materials such as wood,Website:http://www.nbzhencheng.com, 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
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