... of 25kg net, or 20kg net, both palletized.Roofing NailsThe surface treatment mainly is Galvanized, include Plain and ... /4,2,1-1/2Twisted or Plain haulm15mmConcrete NailsMaterial: Carbon Steel, # 45 steelShank: smooth, grooved, spiral, twistHead Diameter: ... coated, Blue, zinc galvanizedUsage: Construction, walls with staples Common nail Roofing nailConcrete nail bright umbrella head roofing nail