4. Cement steel nail
It is similar to the round nail in shape, and the head is slightly thicker. But the cement steel nail is made of high-quality steel, which has the advantages of hardness and bending resistance, and can be directly nailed into concrete and brick walls. The common specifications are 7 ~ 35mm.
5. Wood screw
It is also called wood screw. Compared with other nails, it is easier to combine with wood. It is often used in the combination of metal and other materials with wood materials.
6. Twist nail
The nail body is like a twist, the head is oblate, cross or a word, and the bottom is a sharp bottom. It’s very strong. It is suitable for some places that need strong nailing force, such as drawers, wooden ceiling suspenders, etc. the common specifications are from 50 mm to 85 mm.
7. Stapling
It is a kind of nail with sharp ends and smooth surface in the middle. It is easier to combine and fix wood than other nails. It is especially suitable to be used as a pin when joining boards. The common specifications are 25 ~ 120mm.
8. Self tapping screw
The nail body has deep teeth, high hardness and low price. It can combine two metal parts better than other nails. It is mainly used for the connection and fixation of metal components, such as the production of aluminum alloy doors and windows.

9. Shooting nail
The shape is similar to that of a cement nail, but it is shot from a gun. Comparatively speaking, the fastener fastening is better and more economical than manual construction. At the same time, it is easier to construct than other nails. Shooting nails are mostly used in the construction of wooden projects, such as the production of fine wood and wooden facing engineering.
10. Staples
It is used for binding paper documents. It is usually made of iron or copper and plated with nickel or nickel zinc alloy to prevent rust.

11. Bolt
There are two main types of bolts used in decoration engineering, i.e. embedded bolts and plastic bolts. It is suitable for all kinds of wall and ground anchoring building accessories and objects.

12. Straight nail
Straight nail uses: the decoration industry’s plywood, strip board assembly. The steel nails of wood fitting rattan inlay in furniture manufacturing industry: made of high-quality 45 ා carbon steel, with unique design, reasonable structure and exquisite appearance, is suitable for light wood keel connection.

13. Special steel nail
Special steel nail: made of high-quality 45 ᦇ steel, it has high strength and can be directly nailed into ordinary brick wall, 260 ᦇ – 280 ᦇ cement mortar block, silicate and other structures. It is an ideal construction installation and decoration horse riding nail (U-shaped nail). Purpose: it is mainly used to fix metal plate mesh, wire mesh and indoor and outdoor hanging wire, and also can be used to fix steel wire for binding wooden box. Ordinary round nails are generally only used for construction of structures and rough parts, carpentry.

1、 Basic introduction
Nails are pointed hard metal (usually steel) used for fixing wood, etc. Hammers drive nails into objects. Recently, there are electric nail guns and gas nail guns. The nail, which is able to stabilize the object, is hooked on it by its own deformation and by friction.
2、 Concept
In engineering, carpentry, and construction, nails are pointed hard metal (usually steel) used to hold wood and other objects in place. Hammer will nail into the object, there are also electric nail gun, gas nail gun. The nail, which is able to stabilize the object, is hooked on it by its own deformation and by friction.
Nails have different shapes due to their various uses. The most common nail is called “wire nail”. In addition, the common names of nails are pin, drawing pin or curved head nail.
3、 Special steel nail
Special steel nail: made of high-quality 45 ᦇ steel, it has high strength and can be directly nailed into ordinary brick wall, 260 ᦇ – 280 ᦇ cement mortar block, silicate and other structures. It is an ideal construction installation and decoration horse riding nail (U-shaped nail). Purpose: it is mainly used to fix metal plate mesh, wire mesh and indoor and outdoor hanging wire, and also can be used to fix steel wire for binding wooden box.