Hexagon Head Self Tapping Screw Din7976 Hangzhou Huachao Fastener Co., Ltd. Base Info Model NO.:DIN7504NMaterial:Carbon SteelShape of Head:HexagonSurface Finishing:Zinc PlatedCertification:ISO, GSCustomized:CustomizedTrademark:HANGCHAOOrigin:ChinaHS Code:73181500 Description Pre:Supanchor R - Thread Steel Self Drilling Anchor Bolt Next:DIN 6923 Steel Hex Flange Nut Dimension From M3-M52