... delivery 8-8 Stainless Steel Set Screw, Metric, None Head, Internal Hex DriveA: Features Material:stainless steel,carbon steel Surface:nickel ... Relieving.StandardISO,GB,DIN,JIS,ANSI,BSWManufacture ProcessHeading/washer assembly/Threading/Secondary machine/heat treatment/plating/Anti-slipping/Baking/QA/Package ... need. 18-8 Stainless Steel Set Screw, Metric, None Head, Internal Hex Drive