Product Name: Coil Roofing Nails (stainless steel 304 and 316) and Hot Dipped Galvanized Model NO.: coil roofing nails Material: Steel Type: Roofing Nail Standard: DIN, GB, ISO, JIS Trademark: SUNCOSUN Transport Package: Cartons and Pallets Specification: 3.05x25, 32, 38, 45, 50 Origin: China HS Code: 7317000000 Product Description We are supplying high quality of coil roofing nails, standard sizes are 3.05mm diameter or non standard diameter 2.95mm are workable.Lengths are 19mm,22mm,25mm,32mm,38mm,45mm.Shank smooth or Ring, the Ring shank threading is 0.8mm up to 1.2mm, it depends the customer requirements, package can be 7200pcs/carton, or 2880pieces per carton.Hot dipped galvanized or Stainless steel 304,316 is workable, Electric galvanized is workable.