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Self-tapping screws, also known as self-drilling screws or drill point screws, are a type of fastener with a special design. Here is a detailed introduction to self-tapping screws:
### 1. Definition and Characteristics
* **Definition**: A self-tapping screw is a screw with a drill point or sharp end that can directly drill holes, tap threads, and lock in place on the material or substrate without the need for auxiliary processing.
* **Characteristics**:
* Integrates drilling, tapping, and locking, significantly saving construction time.
* Compared to ordinary screws, self-tapping screws have higher tensile strength and holding power, and they do not loosen over time.
* Drilling and tapping are completed in one step, making operation simple.
### 2. Main Uses
Due to their unique performance, self-tapping screws have a wide range of applications in construction, residential, machinery, automotive manufacturing, and other fields, including:
* **Connection and Fixation of Metal Materials**: Especially suitable for connecting and fixing thin steel plates, aluminum plates, and other metal materials. The drill part can directly drill holes in the material, while the threaded part provides fastening force, eliminating the need for additional drilling steps and simplifying the installation process.
* **Connection of Non-Metal Materials**: Also commonly used for connecting wood, plastic, and other non-metal materials. In the assembly of wooden products, furniture manufacturing, and other fields, self-tapping screws provide reliable connection and fixation.
* **Construction and Renovation Projects**: Commonly used to fix color steel tiles, curtain walls, metal light partitions, etc., and also used to connect aluminum alloy doors and windows, install wooden floors, and other renovation projects, ensuring the stability and aesthetics of the structure.
* **Machinery and Automotive Manufacturing**: Used for fastening and connecting various components, ensuring the stability and safety of equipment, especially in applications requiring high-strength and durable connections.
* **Other Special Applications**: Also used in aerospace, military, and other fields where the requirements for fasteners are very high, needing to withstand extreme environmental conditions. In addition, self-tapping screws also play an important role in PCB manufacturing, casting industry, heat exchanger and evaporator manufacturing, and other industries.
Self-tapping screw
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E-mail：yanzheng@hbsj-fasteners.com
Add: South of Liu Han Village, Liu Han Township, Yongnian District, Handan City, Hebei Province
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