12.9 Grade Hex Socket Head Screw Chuanghe Fastener Co., Ltd. Base Info Model NO.:CH-SCREW-051Trademark:ChuangHeSpecification:DIN, JIS ISO, BS, ANSI...etcOrigin:Dongguan, ChinaHS Code:7318 Description Pre:Zinc Plated Cylinder Head Hand Tighten Screw Next:Stainless Steel Torx Pan Head Anti Theft Screws