Head Self Drilling Screw (CH-SCREW-050) Chuanghe Fastener Co., Ltd. Base Info Model NO.:CH-SCREW-050Material:Stainless SteelType:Cheese HeadHead Style:Cheese HeadStandard:DINGrade:6.8Trademark:ChuangHeSpecification:As per your requestOrigin:Dongguan, ChinaHS Code:7318 Description Pre:Blue Zinc Plated Spot Welding Screws (CH-SCREW-073) Next:Reduced Rubber Joint (Big and Small Joint)