Concrete nail, also known as steel nail, steel pin and masonry nail is usually made of carbon steel, high hardness, thick, short, has
 strong penetrating power.Concrete nail, commonly known as steel nails, is one of the types of nails, using carbon steel production,
 material have 45# steel or 60# steel, through wire drawing, annealing, nail, such as quenching process, so the quality of a material
 is harder. It is the function of nail in some more stiff other nails on the object, because the material is very different with the ordinary
nails, belongs to the special nails. Concrete nail hardness is very big, thick, short, create ability is very strong.Concrete nail screw 
rod has a slide, straight grain, twill, spiral, bamboo, etc, is generally common straight grain or slide. According to the different 
classification, concrete nail can be divided into: black concrete nail, blue concrete nail, color concrete nail, countersunk head
 concrete nail, K concrete nail, T concrete nail, galvanized concrete nail and so on. With special materials, concrete nail is specialty
 nail compared with common iron nail. It is harder, the shank is short and thick commonly and it has excellent piecing and fixing
 strength. With these features, concrete nail makes ideal nail and fasteners for firm and strong sites.Galvanized concrete nail offers
 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.
Usage: used in construction, interior decoration;it can be used on some hard objects that other nail can
not nail on, because the material is very different from ordinary nail, is a special nail. The concrete
nail is very hard, thick and short, and have a great ability to pierce.
Package: 20-25k per carton or wooden box in bulk . 75 or 100 pieces/box then cartons. 400 gram/box,
50boxes/paper carton. 500gram/box 40boxes/paper carton. 1kg/box,25box/carton. In bulk, color box, 
carton or according to customer’s requirement.