Hex Flange Head SDS With EPDM Bonded Washer (SUS304) Hangzhou Huachao Fastener Co., Ltd. Base Info Model NO.:2011092206Trademark:Hangchao or OEM serviceOrigin:Hangzhou, China(Mainland)HS Code:73181400 Description Pre:Hex Head Self Dilling Screw(EPDM Washer) Next:Male Hose Fitting (4BN)