Coil nails Material:Q195 Q215 Q235 Shank:smooth, twisted(screw), Ring Diameter:0.083" 0.09"0.099"0.113" ... '' 3) Surface treatment and shank shape: smooth nails, ring nails, screw nails (bright,electrode, galvanized, V.C)4) Basic point type ... , BDP5) Nails shape: flat headPacking: As per customers' requirements Coil Nail