... So we could make sure our products good quality with competitive price. Roofing Nail Material: Q195 , Q235 ... , 6"X6G .etc. Finished: Good polished, flat head, diamond point, Our products include corrugated Roofing Nail, common ... High-quality Carbon-Steel Q235 1022A Feature: Flat Head and Sunken Head, Round shank or Lined shank, Diamond Point ... to customer's requirement. Roofing nails with umbrella head