Galvanized Pozi Round Head Self-Drilling Screws Jiaxing CNS Metal Co., Ltd. Base Info Material:Carbon SteelShape of Head:RoundSurface Finishing:Zinc PlatedCertification:ISOCustomized:CustomizedTrademark:CNSTransport Package:by SeaSpecification:ST2.9-ST6.3Origin:China Description Pre:Flange Screw Cement Bolt Hexagonal Pad Cement Bolt Hexagon Concret Bolt Next:Carbon Steel M14 M16 Zinc Plated Fixing Concrete Drop in Anchor or Without Lip Expansion Anchor Bolt Masonry Anchor Concrete Bolt