Hexagon Hdg Bolts QINGDAO NANCY METAL & MACHINERY CO., LTD. Base Info Description Product Description We are specialized in the production and exporting all kinds of high quality fasteners, including bolts, nuts, washers, threaded rods, etc. Pre：Yellow -Zinc Plated Self Drilling Screw Nail Wood Screw Galvanized Self Drilling Screws Next：Hexagon Bolts
