Product instruction：We has devoting ourselves to producing and trading for 10 years,Website:http://www.nbzhencheng.com,eatablishing a good relationship with the company of US,Canada,Mid easten and so on.Place of Origin:Zhejiang, China (Mainland)Place of Origin:Zhejiang, China (Mainland)Brand Name:ZCStandard:DIN Material:Carbon SteelFinish:Blue Zinc PlateSurface treatment:Heat TreatingType: Casing Scraper SeriesColor:Zinc WhitePacking:CartonItem:China FastenerApplication:BuildingPackaging Details:Small box, carton, pallet, nylon bag, for self drilling screwProduct Description1. Grade: C10222. Size: ST3.5, ST3.9,ST4.2,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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