Wood screws are similar to machine screws, but the threads on the screw rod are special wood screw threads, which can be screwed directly into wooden components (or parts) and are used to connect a metal (or non-metal) part with a through hole to a wooden The components are tightly connected together. This connection is also a detachable connection.

Main feature：

Wood screws, one section is a polished rod, and the thread angle and pitch of wood screws and self-tapping threads are different.
Self-tapping screws have high hardness, wide thread spacing, deep threads, and rough surfaces. The opposite is true for wood screws. Another difference is more obvious. There are no threads in the rear section of wood screws. Self-tapping nails generally require heat treatment, while wood screws do not. The concept of self-tapping nails is actually very general, because there are many types of self-tapping nails based on different head shapes.
The purpose of wood screws: similar to machine screws, but the threads on the screw are special wood screw threads, which can be screwed directly into wooden components (or parts).

Precautions：

The advantage of wood screws is that they have stronger fixing ability than nails, and they can be removed and replaced without damaging the wood surface, making them more convenient to use.
This is a nail specially designed for wood. Once it enters the wood, it will embed very firmly into it. If the wood is not rotten, it is impossible to pull it out. Even if it is pulled out by force, nearby wood will be pulled out. Another thing to note is that wood screws must be screwed in with a screwdriver. Never knock them in with a hammer, as this will damage the surrounding wood.
Wood screw installation tools A screwdriver is a loading and unloading tool. Its shape matches the groove shape of the wood screw head and is available in either a straight or cross shape. In addition, there is also a special screwdriver mounted on a bow drill, which is suitable for loading and unloading larger wood screws. It is easier to use. Convenient and labor-saving.