Steel nails are steel wire products used to fasten objects. Widely used in industry, agriculture, construction, civil and other aspects, mainly used for the axial separation force smaller radial shear force is not large fixed objects, with simple processing, easy to use, nail fast and so on. There are many varieties of steel nails, different shapes, the main varieties are round nails, flat head nails, square nails, triangular nails, riding nails, twist nails, nails, nails, cement nails, nails, roofing nails, corrugated nails and so on. Product name has general according to shape, use or nail fixing method (such as nail) , but also according to the surface coating to distinguish (such as galvanized nails, polished nails, etc.) . The most widely used and most widely used is the general purpose ordinary round nail. Ordinary round nails, also known as nails, to hot-rolled low-carbon wire drawn into the steel as raw materials, by nail machine. Suitable for nail head buried in wood, used for floor nails, furniture nails, wooden nails and so on. Nail with flat head, commonly used in construction and packing box nail, the head plane is large, nail into the wood easy to pull out. Corrugated Nail, the surface by galvanized and passivation, bright color, no rust, nail cap and riveted from the nail body, mainly used for fixing the tail tile. Riding Nail for fixing wire Mesh, barbed wire, frame, etc. . Triangular nails, is a special-shaped nails, Nail Rod △ shape, commonly known as fishtail nails, mainly for the SOFA, farm tools and other structures of the fixed. A Square peg used to fasten something, such as a wooden boat or bridge, that is not easily moved by force. Cement Nail, used for nail into the cement components, cement brick wall, high carbon high quality structural steel * , with high strength and hardness, series length of 19 ~ 102 mm, diameter of 2.5 ~ 5.5 mm. Spike is a new type of steel nail. Shoot nail to have general shoot nail, thread shoot nail, take hole shoot nail, special shoot nail, high speed shoot nail and so on. Nail-shooting fastening technology is to use nail-shooting, nail-shooting and nail-shooting, will be fixed in different materials of the Matrix (generally concrete or steel) on the fastening. There are many parts suitable for nail-shooting fastening technology, and nail-shooting fastening technology is used for important parts, usually through calculation to ensure safety and reliability. Because of its convenience, safety and reliability, shooting nail is a common steel nail in modern architecture. It has developed rapidly with more than ten series and nearly one hundred varieties.