... ) Material:Steel, Iron, PP 3) Diameter:8-10mm Dowel nail for Heat Preservation System1) Standard: DIN, ISO, JIS, GB2) Material: steel, stainless ... zinc, black phosphated, grey phosphated, nickel, dacroment10) Packing: box, carton, bag, pallet Contact information:Yuyao Megas Fastener Co., LtdNingbo Rhino Import ... delivery time, Reasonable price,The best service" Dowel nail for Heat Preservation System