... treatment, Plating, Anti-slipping patchCategory: 1. by components Bolts, Screw bolts/Studs, Nuts, Tapping screws, Wooden screws, Washers/Gaskets, ... socket, Square socket, Torx, Triangle drive, Indented hexagon and etc.Certificates: ISO 9001:2008 WE can product bolts, ... , chipboard screws, drywall screws, furniture screws, rivets, anchors and many other hardware products made of carbon steel, alloy & ...