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Truss screws are screws with specific shapes and functions, typically used to connect various components of a truss structure. They are widely used in mechanical engineering, construction engineering, aerospace and other fields. Their shape and size usually make them more suitable for truss connections

It is crucial to choose suitable screws when fixing the particleboard wall. The commonly used fixing screws for particleboard in the current market are as follows:

1. Self tapping screws: suitable for fixing particle boards on reinforced concrete surfaces and steel surfaces;

2. Wooden screw: It is a widely used screw suitable for fixing particle boards on wooden structures;

3. Socket screws: suitable for fixing particle boards on concrete surfaces;

It should be noted that when using fixing screws, appropriate screws should be selected according to the actual situation. Screws that are too long or too short are not suitable, as they can affect the fixing effect of the particle board.

Pan head screws have a slot and a cross slot for selection. If an electric screwdriver is used for installation, a cross slot is generally chosen. Cross pan head self tapping screw is a common installation screw with a cross shaped head that can be easily tightened with a screwdriver. The main feature of this type of screw is its self drilling head, which means it can directly penetrate the material during installation, ensuring a fixed effect.

Hexagonal head self tapping screws are a type of mechanical component. Self tapping screws are commonly used for connecting thin metal plates (such as steel plates, saw boards, etc.).

Hexagonal head screws refer to hexagonal mechanical plastic screws - all teeth (metric and British) with excellent insulation performance, non-magnetic, thermal insulation, lightweight. Some plastic screws made of certain materials also have high temperature resistance, high strength, and corrosion resistance, and are widely used in various industrial fields.

The name of drywall screw is directly translated from the English Drywall Screw, and its biggest feature in appearance is the horn head shape, which is divided into double line fine tooth drywall screw and single line coarse tooth drywall screw. The biggest difference between the two is that the former has a double thread, suitable for connecting gypsum boards with metal keels with a thickness not exceeding 0.8mm, while the latter is suitable for connecting gypsum boards with wooden keels.

The dry wall screw series is one of the most important categories in the entire fastener product line. This product is mainly used for the installation of various gypsum boards, lightweight partition walls, and ceiling suspension series.

Countersunk self tapping screw is a type of self tapping screw with tapered pins that can be used to secure two different materials. Its biggest feature is a sharp needle and a hemispherical countersunk head. Its structural characteristics determine that it is easy to enter wood or other soft materials, and under the action of torque, it automatically enters the material and is firmly fixed.

Truss screws can be basically divided into two types: cutting truss screws and forging truss screws. Cutting truss screws is achieved by cutting raw materials into fixed shapes and then machining them. Therefore, their external shape is regular. The forged truss screws are forged by heating the metal and using a forging machine. This means that the shape of the forged truss screws may be more complex.

Cross pan head self tapping screw is a common installation screw with a cross shaped head that can be easily tightened with a screwdriver. The main feature of this type of screw is its self drilling head, which means it can directly penetrate the material during installation, ensuring a fixed effect.

Pan head screws have a slot and a cross slot for selection. If an electric screwdriver is used for installation, a cross slot is generally chosen.

Expansion bolts consist of countersunk bolts, expansion tubes, flat washers, spring washers, and hexagonal nuts.

Expansion screw is a commonly used method of fixing bolts, suitable for various materials such as concrete, aluminum alloy, steel, etc. It has the characteristics of high fixing force and convenient use. The expansion screw is composed of a screw and a wedge-shaped slope, which is fixed in the hole through a variable diameter, making it more secure than ordinary bolts.

Nylon expansion bolt is a positioning type expansion bolt composed of a wear-resistant nylon shell and a bolt with a locking element. It is suitable for installation on solid foundation materials such as concrete, brick walls, convex walls, etc., and is used to fix machines, equipment, furniture, etc.

Truss screws can be basically divided into two types: cutting truss screws and forging truss screws. Cutting truss screws is achieved by cutting raw materials into fixed shapes and then machining them. Therefore, their external shape is regular. The forged truss screws are forged by heating the metal and using a forging machine. This means that the shape of the forged truss screws may be more complex.

Cross pan head self tapping screw is a common installation screw with a cross shaped head that can be easily tightened with a screwdriver. The main feature of this type of screw is its self drilling head, which means it can directly penetrate the material during installation, ensuring a fixed effect.

Pan head screws have a slot and a cross slot for selection. If an electric screwdriver is used for installation, a cross slot is generally chosen.

Countersunk self tapping screw is a type of screw with a special spiral groove. Its head is designed to be flat and has many toothed structures on the surface, allowing it to self drill into the material surface and form a firm fixation. Countersunk self tapping screws are widely used for fixing various materials, such as steel, copper, aluminum, wood, and so on.

The tail of the drill tail screw is in the shape of a drill tail or pointed tail, without the need for auxiliary processing. The drill tail screw can be directly drilled, tapped, and locked on the set material and basic material, greatly saving construction time. Drilled tail screws are more common screws, with higher toughness and maintenance force. After being combined for a long time, they will not loosen, and the use of safe drilling and tapping is easy to complete in one operation.

The purpose of drilling tail screws is: it is a type of wooden screw, mainly used for fixing colored steel tiles in steel structures, and can also be used for fixing thin plates in simple buildings. It cannot be used for metal to metal bonding fixation.