Specifications Electro galvanized ,Smooth/Spiral/Annular or as your requirement Galvanized roofing nail with umbrella head 1) nail Product Specifications: 8G, 9G, 10G, 11G, 12G, 13G 2) galvanized roofing nails Length: 1"---6". 3) 1-4 inch roofing nails Shank Diameter: M1.2-M6.0 BWG6-16 4) nail Material : Q215 Carbon steel 5 ) Point: diamond point 6) Galvanized roofing nail Surface treatment: Polished, electro galvanized, hot-dip galvanized 7) Description: umbrella head, smooth body, twist body 8) Package: Bulk packing; carton, bag, wooden box: 9) Min order: 200ton for trial order quantity Packaging Details: 25kg/carton, 7lb/8boxs/carton, 16boxs/carton/ wood cases/ pallet/ plastic bags/ 50kg/gunny bags/ paper bags according to customer need Delivery Detail: 15-20 days