







Fastener screws are indispensable components in a wide array of applications, serving as vital connectors composed primarily of screws and nuts. These fasteners are specifically designed to connect plates, thin-walled structures, and they find extensive use in various scenarios, including pipelines. Below is an in-depth exploration of the attributes and features of these fastening screws:
1, Specification and size
• Diameter: This term refers to the inner diameter of the thread, a critical measurement typically expressed in millimeters (mm), which determines the fit and compatibility of the fastener.
• Length: This crucial dimension refers to the length of the screw, generally measured in centimeters (cm), affecting its reach and the depth of penetration.
• Thread quantity: Denotes the number of threads present, which plays a significant role in determining the available length, the strength, and the functional efficiency of the screw.
2, Thread specifications
Ordinary thread: Characterized by a wide pitch, it effectively incorporates anti-slip grooves on both sides, enhancing the twisting force and bolstering connection strength.
Fine thread: With a smaller and more refined pitch, the top of the thread is smoother, minimizing slippage and significantly improving the seal and reliability of the connection.
3, Common types
M6 screw: Highly versatile, this screw can adapt to various screw heads like small countersunk and semi-circular heads, enabling diverse applications and results.
Small countersunk screws: Designed for easy insertion into grooves, these screws have a limited force surface, presenting a potential risk of loosening under certain conditions.
Half round head screws: Particularly the thin variants, these screws are adept at covering the anti-slip patterns of fasteners, ensuring a more robust and secure fit when tightened.
Stainless steel fastener screws: Known for their corrosion resistance and high strength, these screws are slightly more costly but offer superior durability and longevity.
4, Selection factors
When selecting fastener screws, the following considerations are paramount:
The material and thickness of the object being connected, as they influence the fastener's effectiveness and suitability.
The shape and dimensions of the object to be connected must be considered to ensure a perfect fit and seamless integration.
The fastener screws' specifications, size, and thread type should align perfectly with the application's demands.
In conclusion, despite their small size, fasteners and screws play an outsized role in construction and manufacturing. A careful and comprehensive evaluation of various factors is essential in the selection and application process to guarantee a secure and reliable connection.