Torx CDK Head Self Tapping Screw (SUS316) Hangzhou Huachao Fastener Co., Ltd. Base Info Model NO.:2011092310Trademark:Hangchao or OEM serviceOrigin:Hangzhou, China(Mainland)HS Code:73181400 Description Pre:Pipe Fittings-Welded Neck Flanges (DN10-DN2000) Next:Pozi Raised Csk Head Self Tapping Screw (SUS316)