Self Drilling Screw And Tapping Screw Din7504k Hangzhou Huachao Fastener Co., Ltd. Base Info Model NO.:huachao 2016Material:Carbon SteelShape of Head:HexagonSurface Finishing:Zinc PlatedCertification:ISO, GSCustomized:CustomizedTrademark:HANGCHAOOrigin:ChinaHS Code:73181400 Description Pre:Flat Head Self Dilling Screw (DIN7504P) Next:DIN603 Mushroom Head Square Neck Bolts