Stainless Steel Spot Welding Screw, Touch Welding Screw Dongguan Top Hardware Co., Ltd. Base Info Material:Stainless SteelType:Round HeadGroove:WordConnection:Common BoltHead Style:RoundStandard:DIN, GB, ANSI, BSW, JISGrade:5.6Transport Package:CartonOrigin:China Description Pre:304 Inner Hexagon Headless Set Screw Asmeb18.3 Concave End Machine Meter Stop Screw Next:Manufacturer Supply High Quality DIN933 8.8 Grade Hex Bolts