Hex socket set screws with black zinc plated 1,Products DetailesMaterial1.Stainless ... FinishingZn- Plated,Ni-plated,Passivated,Tin-plated,Sandblast and Anodize,Chromate, Polish,Electro Painting,Black Anodize,Plain ... days free of charge if there is available tool for us.Lead time10-15 working days as ... servicewe will follow up goods for every customer and help solve problem after sales. 2,Factory overview ...