DIN7504-K self drilling screw with EPDM washer Hangzhou Huachao Fastener Co., Ltd. Base Info Material：Carbon SteelShape of Head：HexagonSurface Finishing：Zinc PlatedCertification：ISOCustomized：CustomizedTrademark：HANGCHAOOrigin：CHINAHS Code：731814001 Description Pre：DIN7981 Flat Head Self Tapping Screw (Stainless steel screw) Next：Flat Washer (DIN125 M10)
