Square Csk Head Self Tapping Screw (C1022) Hangzhou Huachao Fastener Co., Ltd. Base Info Model NO.:2011092202Trademark:Hangchao or OEM serviceOrigin:Hangzhou, China(Mainland)HS Code:73181400 Description Pre:Sanitary Stainless Steel Heavy Duty Clamp (ISO9001: 2008, CE, TUV Certified) Next:Hex Washer Head SDS With Ribs (DIN7504K)