With special materials, concrete nails are specialty nails compared with common iron nails. It is harder, the shank is short and thick commonly and it has excellent piecing and fixing strength. With these features, concrete nails make ideal nails and fasteners for firm and strong sites.Galvanized concrete nails offer excellent anti-bending, anti-crack and safety uses due to the processing of advanced heat treatment technology. It is made from high quality The nail surface treatment can be polished, electro galvanizing, blackish, etc. We can also supply screw shank, T cap and other special concrete nails according to your specific requirements.offers complete types of concrete nails covering galvanized concrete nails, color concrete nails, black concrete nails, bluish concrete nails and concrete nails with various special nail heads and shank types. Common diameter sizes for galvanized concrete nails are 1.7~5.0mm and the nail length goes from 16mm to 50mm.