1.ISO 9001:2008 and RoHs 2.Stainless Steel material 3.OEM order is welcomed JL-SCR-033 ... OEM Hex NutMaterialIron, Brass, Carton steel, Stainless steel, Alloy steelSurface TreatmentChrome plating, Silver plating, Zinc plating, ... , Anti-slipping patchCategory we can process1. by componentsBolts, Screw bolts/Studs, Nuts, Tapping screws, Wooden screws, Washers/Gaskets, Check rings, ...