Iron Nails Material: Q195 , Q235 Size : 3/4"x18G, 1"X14G, 1.5"X14G, 2"X12G, 2.5"X11G, 3"X10G, 4"X9G, 4.5"X9G, 5.5"X4G, 6"X6G .etc. Finished: Good polished, flat head, diamond point, Our products include corrogated nails, common round nails and steel nails. We have the full set of equipments on the most advanced production line. Common Steel Nails Character: Diamond point, polished Length : 3/8''----7 '' Concrete Nail Standard: DIN GB Specification: Diameter: 2.2-6mm Length: 15-200mm Material: High-quality Carbon-Steel Q235 1022A Feature: Flat Head and Sunken Head, Round shank or Lined shank, Diamond Point, Needle Point Finish: Polished, Electric Galvanized, Hot Dipped Galvanized, Black Finished Packing: According to customer's requirement.