1.Uses:Mainly for building construction,packing and furniture. 2.Material:C1022A Carbon steel 3.peculiarity:Truss Head/ Self Drilling 4.Surface treatment：Black phosphate,galvanized,phosphate 5.Length:1/2″-6″,#5-12 6.Conventional packaging: 500pcs/800pcs/1000pcs in small box,then in carton,then on export pallet small plastic bag and small box of 1kg,2.5kg,3kg,5kg. Small plastic bag and small box of 1kg,2.5kg,3kg,5kg In carton or bag of 25kgs/20kgs/50lbs 7.Loading qty 22-28tons/Shipping container Galvanized Truss Head Self Drilling Screw( #6X3/8 ” 3.5x10MM)are mainly for building construction,packing and furniture.They have russ Head/ Self Drilling.C1022A Carbon steel is used as raw material. This nail is Galvanized Yellow zinc plating, According to customer needs can also do phosphate black and other surface treatment.It also supports custom packaging, such as boxes, plastic bags and cartons.Please contact us if necessary.