1.Uses:Mainly for building construction,packing and furniture. 2.Material:Q195 or 235 3.Surface treatments: smooth shank ,Diamond Point，umbrella cap 4.Surface treatment：Galvanized,Polished 5.Length:1/2″-10″,BWG4-12 for all kinds of round Nails. 6.Conventional packing: small plastic bag and small box of 100pcs,200pcs In cartonor bag of 10 bags/20bags/30bags 7.Loading qty 22-28tons/Shipping container Galvanized smooth shank umbrella roofing nails 3.76x50mm BWG9X2″ are mainly for building construction,packing and furniture.They have smooth shank ,Diamond Point，umbrella cap.Q195 low carbon steel is used as raw material. This nail is Galvanized.According to customer needs can also do polished, mechanical galvanizing, hot dip galvanizing and other surface treatment.It also supports custom packaging, such as boxes, plastic bags and cartons.Please contact us if necessary.