1.Uses: Mainly used for fixing ship decks 2.Material:Q195 or 235 3.Surface treatments:Countersunk,tower cap rose head,Diamond Point,square smooth shank 4.Surface treatment：Galvanized,Polished,Mechanical galvanized,Hot dip galvanized 5.Length:1/2″-10″,BWG4-20 for all kinds of round Nails. 6.Conventional packing: small plastic bag and small box of 1kg,2.5kg,3kg,5kg In cartonor bag of 25kgs/20kgs/50lbs 7.Loading qty 22-28tons/Shipping container Galvanized tower cap square boat nails (BWG10X3” 3.4X76.2MM) are mainly used for fixing ship decks.They have Countersunk,tower cap, rose head,Diamond Point,square smooth shank.Q235 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. BWG or weight table