Iron Nail 1. Material :Q195,Q235 2. Length: 1/2'' to 8'' ... : In cartons of 25kg net, or 20kg net, both palletized.Roofing NailsThe surface treatment mainly is Galvanized, include Plain and Twisted ... , annealing , coated, Blue, zinc galvanizedUsage: Construction, walls with staples Common nail Roofing nailConcrete nail bright umbrella head roofing nail