Product DescriptionProduct nameDrywall screw black phosphateGRADE4.8/8.8Head typePan, Truss, Flat, Oval, Round, HEX, Cheese, Binding, Hex WasherSizeM3.5 (#6) / M3.9 (#7) / M4.2 (#8) / M4.8 (#10)ColorBlack/ Grey Phosphate/ Yellow/ Blue White Zine Plated etc.MaterialC1022Package SizeBulk (25kgs/carton) or small packing 100/200/250/500/1000pcs/box (with or without labell) according to customer's requestUsedMainly used for fixing color steel tile of steel structure, and also for fixing thin plate of simple building.Product ShowOur CompanyFQAQ2: Do you have the test and audit service?A: Yes, we can assist to get the designated test report for product and the designated factory audit report.Q3: Do you offer OEM service and can you produce as our drawings?Yes. We offer OEM service. We accept custom design and we have a professional design team who can design products based on your requirements. And we can develop new products according to your samples or drawingQ4: Can you provide the FBA shi…